Home / 89,408,962.20-134,080,265.70-35,545,128.60

Finding the Fourth Proportional to 89,408,962.20, 134,080,265.70 and 35,545,128.60

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Solution

The fourth proportional to 89,408,962.20, 134,080,265.70 and 35,545,128.60 is: 53,304,502.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,408,962.20 : 134,080,265.70 = 35,545,128.60 : x
  2. Step 2: Convert to fraction form
    89,408,962.20/134,080,265.70 = 35,545,128.60/x
  3. Step 3: Cross multiply
    89,408,962.20x = 134,080,265.70 × 35,545,128.60
  4. Step 4: Simplify right side
    89,408,962.20x = 4,765,900,287,028,669
  5. Step 5: Solve for x
    x = 4,765,900,287,028,669/89,408,962.20
  6. Step 6: Final answer
    x = 53,304,502.92

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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.