Home / 87,207,121.92-130,829,836.72-25,791,492.51

Finding the Fourth Proportional to 87,207,121.92, 130,829,836.72 and 25,791,492.51

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Solution

The fourth proportional to 87,207,121.92, 130,829,836.72 and 25,791,492.51 is: 38,692,903.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,207,121.92 : 130,829,836.72 = 25,791,492.51 : x
  2. Step 2: Convert to fraction form
    87,207,121.92/130,829,836.72 = 25,791,492.51/x
  3. Step 3: Cross multiply
    87,207,121.92x = 130,829,836.72 × 25,791,492.51
  4. Step 4: Simplify right side
    87,207,121.92x = 3,374,296,753,848,403
  5. Step 5: Solve for x
    x = 3,374,296,753,848,403/87,207,121.92
  6. Step 6: Final answer
    x = 38,692,903.51

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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.