Home / 178,101,207.60-267,151,811.40-137,740,657.20

Finding the Fourth Proportional to 178,101,207.60, 267,151,811.40 and 137,740,657.20

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Solution

The fourth proportional to 178,101,207.60, 267,151,811.40 and 137,740,657.20 is: 206,610,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,101,207.60 : 267,151,811.40 = 137,740,657.20 : x
  2. Step 2: Convert to fraction form
    178,101,207.60/267,151,811.40 = 137,740,657.20/x
  3. Step 3: Cross multiply
    178,101,207.60x = 267,151,811.40 × 137,740,657.20
  4. Step 4: Simplify right side
    178,101,207.60x = 36,797,666,074,406,448
  5. Step 5: Solve for x
    x = 36,797,666,074,406,448/178,101,207.60
  6. Step 6: Final answer
    x = 206,610,985.80

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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.