Home / 51,124,812.40-76,687,218.60-39,703,423.60

Finding the Fourth Proportional to 51,124,812.40, 76,687,218.60 and 39,703,423.60

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Solution

The fourth proportional to 51,124,812.40, 76,687,218.60 and 39,703,423.60 is: 59,555,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,124,812.40 : 76,687,218.60 = 39,703,423.60 : x
  2. Step 2: Convert to fraction form
    51,124,812.40/76,687,218.60 = 39,703,423.60/x
  3. Step 3: Cross multiply
    51,124,812.40x = 76,687,218.60 × 39,703,423.60
  4. Step 4: Simplify right side
    51,124,812.40x = 3,044,745,124,781,599
  5. Step 5: Solve for x
    x = 3,044,745,124,781,599/51,124,812.40
  6. Step 6: Final answer
    x = 59,555,135.40

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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.