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Finding the Fourth Proportional to 57,888,010.40, 86,706,044.40 and 50,329,738.40

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Solution

The fourth proportional to 57,888,010.40, 86,706,044.40 and 50,329,738.40 is: 75,385,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,888,010.40 : 86,706,044.40 = 50,329,738.40 : x
  2. Step 2: Convert to fraction form
    57,888,010.40/86,706,044.40 = 50,329,738.40/x
  3. Step 3: Cross multiply
    57,888,010.40x = 86,706,044.40 × 50,329,738.40
  4. Step 4: Simplify right side
    57,888,010.40x = 4,363,892,532,350,785
  5. Step 5: Solve for x
    x = 4,363,892,532,350,785/57,888,010.40
  6. Step 6: Final answer
    x = 75,385,084.10

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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.