Home / 87,369,109.60-131,053,664.40-38,846,869.60

Finding the Fourth Proportional to 87,369,109.60, 131,053,664.40 and 38,846,869.60

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Solution

The fourth proportional to 87,369,109.60, 131,053,664.40 and 38,846,869.60 is: 58,270,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,369,109.60 : 131,053,664.40 = 38,846,869.60 : x
  2. Step 2: Convert to fraction form
    87,369,109.60/131,053,664.40 = 38,846,869.60/x
  3. Step 3: Cross multiply
    87,369,109.60x = 131,053,664.40 × 38,846,869.60
  4. Step 4: Simplify right side
    87,369,109.60x = 5,091,024,611,548,963
  5. Step 5: Solve for x
    x = 5,091,024,611,548,963/87,369,109.60
  6. Step 6: Final answer
    x = 58,270,304.40

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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.