Home / 85,386,618.88-128,103,843.20-34,304,510

Finding the Fourth Proportional to 85,386,618.88, 128,103,843.20 and 34,304,510

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Solution

The fourth proportional to 85,386,618.88, 128,103,843.20 and 34,304,510 is: 51,466,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,386,618.88 : 128,103,843.20 = 34,304,510 : x
  2. Step 2: Convert to fraction form
    85,386,618.88/128,103,843.20 = 34,304,510/x
  3. Step 3: Cross multiply
    85,386,618.88x = 128,103,843.20 × 34,304,510
  4. Step 4: Simplify right side
    85,386,618.88x = 4,394,539,570,092,832
  5. Step 5: Solve for x
    x = 4,394,539,570,092,832/85,386,618.88
  6. Step 6: Final answer
    x = 51,466,372.93

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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.