Home / 87,416,770.40-131,060,512.32-52,865,490.83

Finding the Fourth Proportional to 87,416,770.40, 131,060,512.32 and 52,865,490.83

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Solution

The fourth proportional to 87,416,770.40, 131,060,512.32 and 52,865,490.83 is: 79,259,143.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,416,770.40 : 131,060,512.32 = 52,865,490.83 : x
  2. Step 2: Convert to fraction form
    87,416,770.40/131,060,512.32 = 52,865,490.83/x
  3. Step 3: Cross multiply
    87,416,770.40x = 131,060,512.32 × 52,865,490.83
  4. Step 4: Simplify right side
    87,416,770.40x = 6,928,578,312,839,420
  5. Step 5: Solve for x
    x = 6,928,578,312,839,420/87,416,770.40
  6. Step 6: Final answer
    x = 79,259,143.08

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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.