Home / 91,047,116.58-125,644,931.80-49,231,082.04

Finding the Fourth Proportional to 91,047,116.58, 125,644,931.80 and 49,231,082.04

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Solution

The fourth proportional to 91,047,116.58, 125,644,931.80 and 49,231,082.04 is: 67,938,845.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,047,116.58 : 125,644,931.80 = 49,231,082.04 : x
  2. Step 2: Convert to fraction form
    91,047,116.58/125,644,931.80 = 49,231,082.04/x
  3. Step 3: Cross multiply
    91,047,116.58x = 125,644,931.80 × 49,231,082.04
  4. Step 4: Simplify right side
    91,047,116.58x = 6,185,635,944,761,759
  5. Step 5: Solve for x
    x = 6,185,635,944,761,759/91,047,116.58
  6. Step 6: Final answer
    x = 67,938,845.04

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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.