Home / 144,220,841.38-199,034,525.85-81,475,177.18

Finding the Fourth Proportional to 144,220,841.38, 199,034,525.85 and 81,475,177.18

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Solution

The fourth proportional to 144,220,841.38, 199,034,525.85 and 81,475,177.18 is: 112,441,260.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,220,841.38 : 199,034,525.85 = 81,475,177.18 : x
  2. Step 2: Convert to fraction form
    144,220,841.38/199,034,525.85 = 81,475,177.18/x
  3. Step 3: Cross multiply
    144,220,841.38x = 199,034,525.85 × 81,475,177.18
  4. Step 4: Simplify right side
    144,220,841.38x = 16,216,373,258,566,042
  5. Step 5: Solve for x
    x = 16,216,373,258,566,042/144,220,841.38
  6. Step 6: Final answer
    x = 112,441,260.94

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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.