Home / 87,406,001.60-131,109,002.40-29,893,150.40

Finding the Fourth Proportional to 87,406,001.60, 131,109,002.40 and 29,893,150.40

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Solution

The fourth proportional to 87,406,001.60, 131,109,002.40 and 29,893,150.40 is: 44,839,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,406,001.60 : 131,109,002.40 = 29,893,150.40 : x
  2. Step 2: Convert to fraction form
    87,406,001.60/131,109,002.40 = 29,893,150.40/x
  3. Step 3: Cross multiply
    87,406,001.60x = 131,109,002.40 × 29,893,150.40
  4. Step 4: Simplify right side
    87,406,001.60x = 3,919,261,127,537,161
  5. Step 5: Solve for x
    x = 3,919,261,127,537,161/87,406,001.60
  6. Step 6: Final answer
    x = 44,839,725.60

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1.5x scale

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.