Home / 65,732,282.40-90,682,036.02-39,611,957.16

Finding the Fourth Proportional to 65,732,282.40, 90,682,036.02 and 39,611,957.16

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Solution

The fourth proportional to 65,732,282.40, 90,682,036.02 and 39,611,957.16 is: 54,647,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,732,282.40 : 90,682,036.02 = 39,611,957.16 : x
  2. Step 2: Convert to fraction form
    65,732,282.40/90,682,036.02 = 39,611,957.16/x
  3. Step 3: Cross multiply
    65,732,282.40x = 90,682,036.02 × 39,611,957.16
  4. Step 4: Simplify right side
    65,732,282.40x = 3,592,092,926,005,816.50
  5. Step 5: Solve for x
    x = 3,592,092,926,005,816.50/65,732,282.40
  6. Step 6: Final answer
    x = 54,647,317.80

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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.