Home / 66,159,808.74-91,287,156.87-38,652,422.58

Finding the Fourth Proportional to 66,159,808.74, 91,287,156.87 and 38,652,422.58

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Solution

The fourth proportional to 66,159,808.74, 91,287,156.87 and 38,652,422.58 is: 53,332,526.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,159,808.74 : 91,287,156.87 = 38,652,422.58 : x
  2. Step 2: Convert to fraction form
    66,159,808.74/91,287,156.87 = 38,652,422.58/x
  3. Step 3: Cross multiply
    66,159,808.74x = 91,287,156.87 × 38,652,422.58
  4. Step 4: Simplify right side
    66,159,808.74x = 3,528,469,763,465,990
  5. Step 5: Solve for x
    x = 3,528,469,763,465,990/66,159,808.74
  6. Step 6: Final answer
    x = 53,332,526.66

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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.