Home / 129,364,063.60-194,049,205.80-38,490,617.20

Finding the Fourth Proportional to 129,364,063.60, 194,049,205.80 and 38,490,617.20

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Solution

The fourth proportional to 129,364,063.60, 194,049,205.80 and 38,490,617.20 is: 57,736,851.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,364,063.60 : 194,049,205.80 = 38,490,617.20 : x
  2. Step 2: Convert to fraction form
    129,364,063.60/194,049,205.80 = 38,490,617.20/x
  3. Step 3: Cross multiply
    129,364,063.60x = 194,049,205.80 × 38,490,617.20
  4. Step 4: Simplify right side
    129,364,063.60x = 7,469,073,698,411,821
  5. Step 5: Solve for x
    x = 7,469,073,698,411,821/129,364,063.60
  6. Step 6: Final answer
    x = 57,736,851.26

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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.