Home / 103,680,407.10-155,520,610.65-98,137,674.30

Finding the Fourth Proportional to 103,680,407.10, 155,520,610.65 and 98,137,674.30

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Solution

The fourth proportional to 103,680,407.10, 155,520,610.65 and 98,137,674.30 is: 147,206,511.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,680,407.10 : 155,520,610.65 = 98,137,674.30 : x
  2. Step 2: Convert to fraction form
    103,680,407.10/155,520,610.65 = 98,137,674.30/x
  3. Step 3: Cross multiply
    103,680,407.10x = 155,520,610.65 × 98,137,674.30
  4. Step 4: Simplify right side
    103,680,407.10x = 15,262,431,034,906,812
  5. Step 5: Solve for x
    x = 15,262,431,034,906,812/103,680,407.10
  6. Step 6: Final answer
    x = 147,206,511.45

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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.