Home / 129,435,767.16-194,154,376.50-43,173,937.14

Finding the Fourth Proportional to 129,435,767.16, 194,154,376.50 and 43,173,937.14

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Solution

The fourth proportional to 129,435,767.16, 194,154,376.50 and 43,173,937.14 is: 64,761,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,435,767.16 : 194,154,376.50 = 43,173,937.14 : x
  2. Step 2: Convert to fraction form
    129,435,767.16/194,154,376.50 = 43,173,937.14/x
  3. Step 3: Cross multiply
    129,435,767.16x = 194,154,376.50 × 43,173,937.14
  4. Step 4: Simplify right side
    129,435,767.16x = 8,382,408,846,466,893
  5. Step 5: Solve for x
    x = 8,382,408,846,466,893/129,435,767.16
  6. Step 6: Final answer
    x = 64,761,147.79

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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.