Home / 146,909,010.60-220,363,515.90-78,884,562.60

Finding the Fourth Proportional to 146,909,010.60, 220,363,515.90 and 78,884,562.60

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Solution

The fourth proportional to 146,909,010.60, 220,363,515.90 and 78,884,562.60 is: 118,326,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,909,010.60 : 220,363,515.90 = 78,884,562.60 : x
  2. Step 2: Convert to fraction form
    146,909,010.60/220,363,515.90 = 78,884,562.60/x
  3. Step 3: Cross multiply
    146,909,010.60x = 220,363,515.90 × 78,884,562.60
  4. Step 4: Simplify right side
    146,909,010.60x = 17,383,279,564,769,644
  5. Step 5: Solve for x
    x = 17,383,279,564,769,644/146,909,010.60
  6. Step 6: Final answer
    x = 118,326,843.90

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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.