Home / 89,856,076.40-134,784,114.60-36,042,009.20

Finding the Fourth Proportional to 89,856,076.40, 134,784,114.60 and 36,042,009.20

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Solution

The fourth proportional to 89,856,076.40, 134,784,114.60 and 36,042,009.20 is: 54,063,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,856,076.40 : 134,784,114.60 = 36,042,009.20 : x
  2. Step 2: Convert to fraction form
    89,856,076.40/134,784,114.60 = 36,042,009.20/x
  3. Step 3: Cross multiply
    89,856,076.40x = 134,784,114.60 × 36,042,009.20
  4. Step 4: Simplify right side
    89,856,076.40x = 4,857,890,298,427,055
  5. Step 5: Solve for x
    x = 4,857,890,298,427,055/89,856,076.40
  6. Step 6: Final answer
    x = 54,063,013.80

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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.