Home / 124,836,958.40-187,251,938.40-56,679,540.80

Finding the Fourth Proportional to 124,836,958.40, 187,251,938.40 and 56,679,540.80

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Solution

The fourth proportional to 124,836,958.40, 187,251,938.40 and 56,679,540.80 is: 85,017,722.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,836,958.40 : 187,251,938.40 = 56,679,540.80 : x
  2. Step 2: Convert to fraction form
    124,836,958.40/187,251,938.40 = 56,679,540.80/x
  3. Step 3: Cross multiply
    124,836,958.40x = 187,251,938.40 × 56,679,540.80
  4. Step 4: Simplify right side
    124,836,958.40x = 10,613,353,882,421,886
  5. Step 5: Solve for x
    x = 10,613,353,882,421,886/124,836,958.40
  6. Step 6: Final answer
    x = 85,017,722.46

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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.