Home / 67,881,375.48-93,678,422.76-38,513,944.20

Finding the Fourth Proportional to 67,881,375.48, 93,678,422.76 and 38,513,944.20

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Solution

The fourth proportional to 67,881,375.48, 93,678,422.76 and 38,513,944.20 is: 53,150,448.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,881,375.48 : 93,678,422.76 = 38,513,944.20 : x
  2. Step 2: Convert to fraction form
    67,881,375.48/93,678,422.76 = 38,513,944.20/x
  3. Step 3: Cross multiply
    67,881,375.48x = 93,678,422.76 × 38,513,944.20
  4. Step 4: Simplify right side
    67,881,375.48x = 3,607,925,546,922,650.50
  5. Step 5: Solve for x
    x = 3,607,925,546,922,650.50/67,881,375.48
  6. Step 6: Final answer
    x = 53,150,448.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.