Home / 89,619,472.80-134,429,209.20-29,041,322.40

Finding the Fourth Proportional to 89,619,472.80, 134,429,209.20 and 29,041,322.40

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Solution

The fourth proportional to 89,619,472.80, 134,429,209.20 and 29,041,322.40 is: 43,561,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,619,472.80 : 134,429,209.20 = 29,041,322.40 : x
  2. Step 2: Convert to fraction form
    89,619,472.80/134,429,209.20 = 29,041,322.40/x
  3. Step 3: Cross multiply
    89,619,472.80x = 134,429,209.20 × 29,041,322.40
  4. Step 4: Simplify right side
    89,619,472.80x = 3,904,002,004,354,245.50
  5. Step 5: Solve for x
    x = 3,904,002,004,354,245.50/89,619,472.80
  6. Step 6: Final answer
    x = 43,561,983.60

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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.