Home / 87,587,534.40-120,868,643.28-48,428,307.96

Finding the Fourth Proportional to 87,587,534.40, 120,868,643.28 and 48,428,307.96

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Solution

The fourth proportional to 87,587,534.40, 120,868,643.28 and 48,428,307.96 is: 66,829,873.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,587,534.40 : 120,868,643.28 = 48,428,307.96 : x
  2. Step 2: Convert to fraction form
    87,587,534.40/120,868,643.28 = 48,428,307.96/x
  3. Step 3: Cross multiply
    87,587,534.40x = 120,868,643.28 × 48,428,307.96
  4. Step 4: Simplify right side
    87,587,534.40x = 5,853,463,879,471,225
  5. Step 5: Solve for x
    x = 5,853,463,879,471,225/87,587,534.40
  6. Step 6: Final answer
    x = 66,829,873.90

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