Home / 150,342,642.18-225,518,628.87-71,541,882.90

Finding the Fourth Proportional to 150,342,642.18, 225,518,628.87 and 71,541,882.90

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Solution

The fourth proportional to 150,342,642.18, 225,518,628.87 and 71,541,882.90 is: 107,315,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,342,642.18 : 225,518,628.87 = 71,541,882.90 : x
  2. Step 2: Convert to fraction form
    150,342,642.18/225,518,628.87 = 71,541,882.90/x
  3. Step 3: Cross multiply
    150,342,642.18x = 225,518,628.87 × 71,541,882.90
  4. Step 4: Simplify right side
    150,342,642.18x = 16,134,027,338,386,102
  5. Step 5: Solve for x
    x = 16,134,027,338,386,102/150,342,642.18
  6. Step 6: Final answer
    x = 107,315,044.52

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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.