Home / 129,491,316.20-194,208,980.70-56,707,956.20

Finding the Fourth Proportional to 129,491,316.20, 194,208,980.70 and 56,707,956.20

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Solution

The fourth proportional to 129,491,316.20, 194,208,980.70 and 56,707,956.20 is: 85,049,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,491,316.20 : 194,208,980.70 = 56,707,956.20 : x
  2. Step 2: Convert to fraction form
    129,491,316.20/194,208,980.70 = 56,707,956.20/x
  3. Step 3: Cross multiply
    129,491,316.20x = 194,208,980.70 × 56,707,956.20
  4. Step 4: Simplify right side
    129,491,316.20x = 11,013,194,371,182,246
  5. Step 5: Solve for x
    x = 11,013,194,371,182,246/129,491,316.20
  6. Step 6: Final answer
    x = 85,049,675.10

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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.