Home / 78,612,119,936.10-117,918,179,904.15-25,553,050,496.10

Finding the Fourth Proportional to 78,612,119,936.10, 117,918,179,904.15 and 25,553,050,496.10

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Solution

The fourth proportional to 78,612,119,936.10, 117,918,179,904.15 and 25,553,050,496.10 is: 38,329,575,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,612,119,936.10 : 117,918,179,904.15 = 25,553,050,496.10 : x
  2. Step 2: Convert to fraction form
    78,612,119,936.10/117,918,179,904.15 = 25,553,050,496.10/x
  3. Step 3: Cross multiply
    78,612,119,936.10x = 117,918,179,904.15 × 25,553,050,496.10
  4. Step 4: Simplify right side
    78,612,119,936.10x = 3,013,169,205,498,948,878,336
  5. Step 5: Solve for x
    x = 3,013,169,205,498,948,878,336/78,612,119,936.10
  6. Step 6: Final answer
    x = 38,329,575,744.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.