Home / 149,712,005.30-224,568,007.95-85,214,750.90

Finding the Fourth Proportional to 149,712,005.30, 224,568,007.95 and 85,214,750.90

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Solution

The fourth proportional to 149,712,005.30, 224,568,007.95 and 85,214,750.90 is: 127,822,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,712,005.30 : 224,568,007.95 = 85,214,750.90 : x
  2. Step 2: Convert to fraction form
    149,712,005.30/224,568,007.95 = 85,214,750.90/x
  3. Step 3: Cross multiply
    149,712,005.30x = 224,568,007.95 × 85,214,750.90
  4. Step 4: Simplify right side
    149,712,005.30x = 19,136,506,857,568,468
  5. Step 5: Solve for x
    x = 19,136,506,857,568,468/149,712,005.30
  6. Step 6: Final answer
    x = 127,822,126.35

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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.