Home / 90,574,004.40-135,754,718.40-38,758,506.90

Finding the Fourth Proportional to 90,574,004.40, 135,754,718.40 and 38,758,506.90

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Solution

The fourth proportional to 90,574,004.40, 135,754,718.40 and 38,758,506.90 is: 58,092,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,574,004.40 : 135,754,718.40 = 38,758,506.90 : x
  2. Step 2: Convert to fraction form
    90,574,004.40/135,754,718.40 = 38,758,506.90/x
  3. Step 3: Cross multiply
    90,574,004.40x = 135,754,718.40 × 38,758,506.90
  4. Step 4: Simplify right side
    90,574,004.40x = 5,261,650,189,813,957
  5. Step 5: Solve for x
    x = 5,261,650,189,813,957/90,574,004.40
  6. Step 6: Final answer
    x = 58,092,277.41

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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.