Home / 149,671,721.10-224,339,620.05-85,006,505.10

Finding the Fourth Proportional to 149,671,721.10, 224,339,620.05 and 85,006,505.10

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Solution

The fourth proportional to 149,671,721.10, 224,339,620.05 and 85,006,505.10 is: 127,414,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,671,721.10 : 224,339,620.05 = 85,006,505.10 : x
  2. Step 2: Convert to fraction form
    149,671,721.10/224,339,620.05 = 85,006,505.10/x
  3. Step 3: Cross multiply
    149,671,721.10x = 224,339,620.05 × 85,006,505.10
  4. Step 4: Simplify right side
    149,671,721.10x = 19,070,327,055,912,388
  5. Step 5: Solve for x
    x = 19,070,327,055,912,388/149,671,721.10
  6. Step 6: Final answer
    x = 127,414,363.35

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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.