Home / 129,611,018.71-194,416,724.89-52,934,046.93

Finding the Fourth Proportional to 129,611,018.71, 194,416,724.89 and 52,934,046.93

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Solution

The fourth proportional to 129,611,018.71, 194,416,724.89 and 52,934,046.93 is: 79,401,150.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,611,018.71 : 194,416,724.89 = 52,934,046.93 : x
  2. Step 2: Convert to fraction form
    129,611,018.71/194,416,724.89 = 52,934,046.93/x
  3. Step 3: Cross multiply
    129,611,018.71x = 194,416,724.89 × 52,934,046.93
  4. Step 4: Simplify right side
    129,611,018.71x = 10,291,264,038,897,874
  5. Step 5: Solve for x
    x = 10,291,264,038,897,874/129,611,018.71
  6. Step 6: Final answer
    x = 79,401,150.78

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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.