Home / 101,294,278.88-139,834,301.96-67,861,325.52

Finding the Fourth Proportional to 101,294,278.88, 139,834,301.96 and 67,861,325.52

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Solution

The fourth proportional to 101,294,278.88, 139,834,301.96 and 67,861,325.52 is: 93,680,918.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,294,278.88 : 139,834,301.96 = 67,861,325.52 : x
  2. Step 2: Convert to fraction form
    101,294,278.88/139,834,301.96 = 67,861,325.52/x
  3. Step 3: Cross multiply
    101,294,278.88x = 139,834,301.96 × 67,861,325.52
  4. Step 4: Simplify right side
    101,294,278.88x = 9,489,341,084,169,534
  5. Step 5: Solve for x
    x = 9,489,341,084,169,534/101,294,278.88
  6. Step 6: Final answer
    x = 93,680,918.50

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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.