Home / 101,294,272.88-139,834,293.68-67,861,319.52

Finding the Fourth Proportional to 101,294,272.88, 139,834,293.68 and 67,861,319.52

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Solution

The fourth proportional to 101,294,272.88, 139,834,293.68 and 67,861,319.52 is: 93,680,910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,294,272.88 : 139,834,293.68 = 67,861,319.52 : x
  2. Step 2: Convert to fraction form
    101,294,272.88/139,834,293.68 = 67,861,319.52/x
  3. Step 3: Cross multiply
    101,294,272.88x = 139,834,293.68 × 67,861,319.52
  4. Step 4: Simplify right side
    101,294,272.88x = 9,489,339,683,271,996
  5. Step 5: Solve for x
    x = 9,489,339,683,271,996/101,294,272.88
  6. Step 6: Final answer
    x = 93,680,910.22

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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.