Home / 123,398,797.42-170,287,905.66-67,644,337.96

Finding the Fourth Proportional to 123,398,797.42, 170,287,905.66 and 67,644,337.96

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Solution

The fourth proportional to 123,398,797.42, 170,287,905.66 and 67,644,337.96 is: 93,347,851.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,398,797.42 : 170,287,905.66 = 67,644,337.96 : x
  2. Step 2: Convert to fraction form
    123,398,797.42/170,287,905.66 = 67,644,337.96/x
  3. Step 3: Cross multiply
    123,398,797.42x = 170,287,905.66 × 67,644,337.96
  4. Step 4: Simplify right side
    123,398,797.42x = 11,519,012,640,965,636
  5. Step 5: Solve for x
    x = 11,519,012,640,965,636/123,398,797.42
  6. Step 6: Final answer
    x = 93,347,851.70

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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.