Home / 99,680,026.90-149,359,077.15-56,420,583.70

Finding the Fourth Proportional to 99,680,026.90, 149,359,077.15 and 56,420,583.70

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Solution

The fourth proportional to 99,680,026.90, 149,359,077.15 and 56,420,583.70 is: 84,539,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,680,026.90 : 149,359,077.15 = 56,420,583.70 : x
  2. Step 2: Convert to fraction form
    99,680,026.90/149,359,077.15 = 56,420,583.70/x
  3. Step 3: Cross multiply
    99,680,026.90x = 149,359,077.15 × 56,420,583.70
  4. Step 4: Simplify right side
    99,680,026.90x = 8,426,926,313,696,333
  5. Step 5: Solve for x
    x = 8,426,926,313,696,333/99,680,026.90
  6. Step 6: Final answer
    x = 84,539,767.65

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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.