Home / 119,129,147.60-178,693,721.40-38,350,115.60

Finding the Fourth Proportional to 119,129,147.60, 178,693,721.40 and 38,350,115.60

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Solution

The fourth proportional to 119,129,147.60, 178,693,721.40 and 38,350,115.60 is: 57,525,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,129,147.60 : 178,693,721.40 = 38,350,115.60 : x
  2. Step 2: Convert to fraction form
    119,129,147.60/178,693,721.40 = 38,350,115.60/x
  3. Step 3: Cross multiply
    119,129,147.60x = 178,693,721.40 × 38,350,115.60
  4. Step 4: Simplify right side
    119,129,147.60x = 6,852,924,872,684,194
  5. Step 5: Solve for x
    x = 6,852,924,872,684,194/119,129,147.60
  6. Step 6: Final answer
    x = 57,525,173.40

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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.