Home / 129,822,234.72-194,424,219.63-75,119,535.96

Finding the Fourth Proportional to 129,822,234.72, 194,424,219.63 and 75,119,535.96

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Solution

The fourth proportional to 129,822,234.72, 194,424,219.63 and 75,119,535.96 is: 112,500,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,822,234.72 : 194,424,219.63 = 75,119,535.96 : x
  2. Step 2: Convert to fraction form
    129,822,234.72/194,424,219.63 = 75,119,535.96/x
  3. Step 3: Cross multiply
    129,822,234.72x = 194,424,219.63 × 75,119,535.96
  4. Step 4: Simplify right side
    129,822,234.72x = 14,605,057,157,990,722
  5. Step 5: Solve for x
    x = 14,605,057,157,990,722/129,822,234.72
  6. Step 6: Final answer
    x = 112,500,429.45

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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.