Home / 79,127,998.80-118,691,998.20-53,299,966.20

Finding the Fourth Proportional to 79,127,998.80, 118,691,998.20 and 53,299,966.20

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Solution

The fourth proportional to 79,127,998.80, 118,691,998.20 and 53,299,966.20 is: 79,949,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,127,998.80 : 118,691,998.20 = 53,299,966.20 : x
  2. Step 2: Convert to fraction form
    79,127,998.80/118,691,998.20 = 53,299,966.20/x
  3. Step 3: Cross multiply
    79,127,998.80x = 118,691,998.20 × 53,299,966.20
  4. Step 4: Simplify right side
    79,127,998.80x = 6,326,279,492,270,461
  5. Step 5: Solve for x
    x = 6,326,279,492,270,461/79,127,998.80
  6. Step 6: Final answer
    x = 79,949,949.30

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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.