Home / 65,732,282.90-90,682,036.71-39,611,957.66

Finding the Fourth Proportional to 65,732,282.90, 90,682,036.71 and 39,611,957.66

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Solution

The fourth proportional to 65,732,282.90, 90,682,036.71 and 39,611,957.66 is: 54,647,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,732,282.90 : 90,682,036.71 = 39,611,957.66 : x
  2. Step 2: Convert to fraction form
    65,732,282.90/90,682,036.71 = 39,611,957.66/x
  3. Step 3: Cross multiply
    65,732,282.90x = 90,682,036.71 × 39,611,957.66
  4. Step 4: Simplify right side
    65,732,282.90x = 3,592,092,998,679,085
  5. Step 5: Solve for x
    x = 3,592,092,998,679,085/65,732,282.90
  6. Step 6: Final answer
    x = 54,647,318.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.