Home / 124,764,329.10-187,159,000.05-42,872,421.90

Finding the Fourth Proportional to 124,764,329.10, 187,159,000.05 and 42,872,421.90

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Solution

The fourth proportional to 124,764,329.10, 187,159,000.05 and 42,872,421.90 is: 64,312,930.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,764,329.10 : 187,159,000.05 = 42,872,421.90 : x
  2. Step 2: Convert to fraction form
    124,764,329.10/187,159,000.05 = 42,872,421.90/x
  3. Step 3: Cross multiply
    124,764,329.10x = 187,159,000.05 × 42,872,421.90
  4. Step 4: Simplify right side
    124,764,329.10x = 8,023,959,612,525,721
  5. Step 5: Solve for x
    x = 8,023,959,612,525,721/124,764,329.10
  6. Step 6: Final answer
    x = 64,312,930.39

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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.