Home / 122,442,896.86-168,971,200.76-67,438,753.36

Finding the Fourth Proportional to 122,442,896.86, 168,971,200.76 and 67,438,753.36

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Solution

The fourth proportional to 122,442,896.86, 168,971,200.76 and 67,438,753.36 is: 93,065,481.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,442,896.86 : 168,971,200.76 = 67,438,753.36 : x
  2. Step 2: Convert to fraction form
    122,442,896.86/168,971,200.76 = 67,438,753.36/x
  3. Step 3: Cross multiply
    122,442,896.86x = 168,971,200.76 × 67,438,753.36
  4. Step 4: Simplify right side
    122,442,896.86x = 11,395,207,132,996,684
  5. Step 5: Solve for x
    x = 11,395,207,132,996,684/122,442,896.86
  6. Step 6: Final answer
    x = 93,065,481.34

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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.