Home / 102,251,569,012.10-153,377,353,518.15-77,456,657,716.10

Finding the Fourth Proportional to 102,251,569,012.10, 153,377,353,518.15 and 77,456,657,716.10

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Solution

The fourth proportional to 102,251,569,012.10, 153,377,353,518.15 and 77,456,657,716.10 is: 116,184,986,574.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,251,569,012.10 : 153,377,353,518.15 = 77,456,657,716.10 : x
  2. Step 2: Convert to fraction form
    102,251,569,012.10/153,377,353,518.15 = 77,456,657,716.10/x
  3. Step 3: Cross multiply
    102,251,569,012.10x = 153,377,353,518.15 × 77,456,657,716.10
  4. Step 4: Simplify right side
    102,251,569,012.10x = 11,880,097,172,856,611,274,752
  5. Step 5: Solve for x
    x = 11,880,097,172,856,611,274,752/102,251,569,012.10
  6. Step 6: Final answer
    x = 116,184,986,574.15

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Double scale
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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.