Home / 85,536,053.90-128,304,080.85-34,454,732.30

Finding the Fourth Proportional to 85,536,053.90, 128,304,080.85 and 34,454,732.30

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Solution

The fourth proportional to 85,536,053.90, 128,304,080.85 and 34,454,732.30 is: 51,682,098.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536,053.90 : 128,304,080.85 = 34,454,732.30 : x
  2. Step 2: Convert to fraction form
    85,536,053.90/128,304,080.85 = 34,454,732.30/x
  3. Step 3: Cross multiply
    85,536,053.90x = 128,304,080.85 × 34,454,732.30
  4. Step 4: Simplify right side
    85,536,053.90x = 4,420,682,758,684,306
  5. Step 5: Solve for x
    x = 4,420,682,758,684,306/85,536,053.90
  6. Step 6: Final answer
    x = 51,682,098.45

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Similar ratio
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1.5x scale

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.