Home / 89,619,469.80-134,429,204.70-29,041,319.40

Finding the Fourth Proportional to 89,619,469.80, 134,429,204.70 and 29,041,319.40

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Solution

The fourth proportional to 89,619,469.80, 134,429,204.70 and 29,041,319.40 is: 43,561,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,619,469.80 : 134,429,204.70 = 29,041,319.40 : x
  2. Step 2: Convert to fraction form
    89,619,469.80/134,429,204.70 = 29,041,319.40/x
  3. Step 3: Cross multiply
    89,619,469.80x = 134,429,204.70 × 29,041,319.40
  4. Step 4: Simplify right side
    89,619,469.80x = 3,904,001,470,380,680.50
  5. Step 5: Solve for x
    x = 3,904,001,470,380,680.50/89,619,469.80
  6. Step 6: Final answer
    x = 43,561,979.10

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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.