Home / 77,763,486.10-116,645,229.15-60,631,402.90

Finding the Fourth Proportional to 77,763,486.10, 116,645,229.15 and 60,631,402.90

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Solution

The fourth proportional to 77,763,486.10, 116,645,229.15 and 60,631,402.90 is: 90,947,104.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,763,486.10 : 116,645,229.15 = 60,631,402.90 : x
  2. Step 2: Convert to fraction form
    77,763,486.10/116,645,229.15 = 60,631,402.90/x
  3. Step 3: Cross multiply
    77,763,486.10x = 116,645,229.15 × 60,631,402.90
  4. Step 4: Simplify right side
    77,763,486.10x = 7,072,363,884,956,475
  5. Step 5: Solve for x
    x = 7,072,363,884,956,475/77,763,486.10
  6. Step 6: Final answer
    x = 90,947,104.35

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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.