Home / 129,763,916.60-194,756,099.70-53,141,934.20

Finding the Fourth Proportional to 129,763,916.60, 194,756,099.70 and 53,141,934.20

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Solution

The fourth proportional to 129,763,916.60, 194,756,099.70 and 53,141,934.20 is: 79,758,041.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,763,916.60 : 194,756,099.70 = 53,141,934.20 : x
  2. Step 2: Convert to fraction form
    129,763,916.60/194,756,099.70 = 53,141,934.20/x
  3. Step 3: Cross multiply
    129,763,916.60x = 194,756,099.70 × 53,141,934.20
  4. Step 4: Simplify right side
    129,763,916.60x = 10,349,715,835,306,040
  5. Step 5: Solve for x
    x = 10,349,715,835,306,040/129,763,916.60
  6. Step 6: Final answer
    x = 79,758,041.42

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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.