Home / 99,794,501.10-149,691,751.65-72,920,645.10

Finding the Fourth Proportional to 99,794,501.10, 149,691,751.65 and 72,920,645.10

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Solution

The fourth proportional to 99,794,501.10, 149,691,751.65 and 72,920,645.10 is: 109,380,967.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,794,501.10 : 149,691,751.65 = 72,920,645.10 : x
  2. Step 2: Convert to fraction form
    99,794,501.10/149,691,751.65 = 72,920,645.10/x
  3. Step 3: Cross multiply
    99,794,501.10x = 149,691,751.65 × 72,920,645.10
  4. Step 4: Simplify right side
    99,794,501.10x = 10,915,619,096,466,988
  5. Step 5: Solve for x
    x = 10,915,619,096,466,988/99,794,501.10
  6. Step 6: Final answer
    x = 109,380,967.65

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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.