Home / 129,487,742.20-194,231,613.30-88,673,073.40

Finding the Fourth Proportional to 129,487,742.20, 194,231,613.30 and 88,673,073.40

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Solution

The fourth proportional to 129,487,742.20, 194,231,613.30 and 88,673,073.40 is: 133,009,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,487,742.20 : 194,231,613.30 = 88,673,073.40 : x
  2. Step 2: Convert to fraction form
    129,487,742.20/194,231,613.30 = 88,673,073.40/x
  3. Step 3: Cross multiply
    129,487,742.20x = 194,231,613.30 × 88,673,073.40
  4. Step 4: Simplify right side
    129,487,742.20x = 17,223,114,102,751,318
  5. Step 5: Solve for x
    x = 17,223,114,102,751,318/129,487,742.20
  6. Step 6: Final answer
    x = 133,009,610.10

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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.