Home / 129,359,837.70-194,134,234.95-91,096,085.70

Finding the Fourth Proportional to 129,359,837.70, 194,134,234.95 and 91,096,085.70

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Solution

The fourth proportional to 129,359,837.70, 194,134,234.95 and 91,096,085.70 is: 136,710,660.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,359,837.70 : 194,134,234.95 = 91,096,085.70 : x
  2. Step 2: Convert to fraction form
    129,359,837.70/194,134,234.95 = 91,096,085.70/x
  3. Step 3: Cross multiply
    129,359,837.70x = 194,134,234.95 × 91,096,085.70
  4. Step 4: Simplify right side
    129,359,837.70x = 17,684,868,904,309,134
  5. Step 5: Solve for x
    x = 17,684,868,904,309,134/129,359,837.70
  6. Step 6: Final answer
    x = 136,710,660.89

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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.