Home / 87,956,811.20-131,971,808.74-38,747,478.18

Finding the Fourth Proportional to 87,956,811.20, 131,971,808.74 and 38,747,478.18

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Solution

The fourth proportional to 87,956,811.20, 131,971,808.74 and 38,747,478.18 is: 58,137,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,956,811.20 : 131,971,808.74 = 38,747,478.18 : x
  2. Step 2: Convert to fraction form
    87,956,811.20/131,971,808.74 = 38,747,478.18/x
  3. Step 3: Cross multiply
    87,956,811.20x = 131,971,808.74 × 38,747,478.18
  4. Step 4: Simplify right side
    87,956,811.20x = 5,113,574,779,528,283
  5. Step 5: Solve for x
    x = 5,113,574,779,528,283/87,956,811.20
  6. Step 6: Final answer
    x = 58,137,337.06

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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.