Home / 149,490,078.10-224,235,117.15-81,465,630.10

Finding the Fourth Proportional to 149,490,078.10, 224,235,117.15 and 81,465,630.10

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Solution

The fourth proportional to 149,490,078.10, 224,235,117.15 and 81,465,630.10 is: 122,198,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,490,078.10 : 224,235,117.15 = 81,465,630.10 : x
  2. Step 2: Convert to fraction form
    149,490,078.10/224,235,117.15 = 81,465,630.10/x
  3. Step 3: Cross multiply
    149,490,078.10x = 224,235,117.15 × 81,465,630.10
  4. Step 4: Simplify right side
    149,490,078.10x = 18,267,455,109,172,064
  5. Step 5: Solve for x
    x = 18,267,455,109,172,064/149,490,078.10
  6. Step 6: Final answer
    x = 122,198,445.15

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1.5x scale

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.