Home / 99,712,685.10-149,583,024.45-31,548,269.10

Finding the Fourth Proportional to 99,712,685.10, 149,583,024.45 and 31,548,269.10

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Solution

The fourth proportional to 99,712,685.10, 149,583,024.45 and 31,548,269.10 is: 47,326,832.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,712,685.10 : 149,583,024.45 = 31,548,269.10 : x
  2. Step 2: Convert to fraction form
    99,712,685.10/149,583,024.45 = 31,548,269.10/x
  3. Step 3: Cross multiply
    99,712,685.10x = 149,583,024.45 × 31,548,269.10
  4. Step 4: Simplify right side
    99,712,685.10x = 4,719,085,508,140,479
  5. Step 5: Solve for x
    x = 4,719,085,508,140,479/99,712,685.10
  6. Step 6: Final answer
    x = 47,326,832.12

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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.