Home / 160,042,325.76-240,063,491.52-38,872,961.28

Finding the Fourth Proportional to 160,042,325.76, 240,063,491.52 and 38,872,961.28

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Solution

The fourth proportional to 160,042,325.76, 240,063,491.52 and 38,872,961.28 is: 58,309,442.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,042,325.76 : 240,063,491.52 = 38,872,961.28 : x
  2. Step 2: Convert to fraction form
    160,042,325.76/240,063,491.52 = 38,872,961.28/x
  3. Step 3: Cross multiply
    160,042,325.76x = 240,063,491.52 × 38,872,961.28
  4. Step 4: Simplify right side
    160,042,325.76x = 9,331,978,810,598,570
  5. Step 5: Solve for x
    x = 9,331,978,810,598,570/160,042,325.76
  6. Step 6: Final answer
    x = 58,309,442.62

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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.