Home / 178,966,390.64-246,944,753.12-100,645,273.26

Finding the Fourth Proportional to 178,966,390.64, 246,944,753.12 and 100,645,273.26

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Solution

The fourth proportional to 178,966,390.64, 246,944,753.12 and 100,645,273.26 is: 138,874,243.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,966,390.64 : 246,944,753.12 = 100,645,273.26 : x
  2. Step 2: Convert to fraction form
    178,966,390.64/246,944,753.12 = 100,645,273.26/x
  3. Step 3: Cross multiply
    178,966,390.64x = 246,944,753.12 × 100,645,273.26
  4. Step 4: Simplify right side
    178,966,390.64x = 24,853,822,158,137,252
  5. Step 5: Solve for x
    x = 24,853,822,158,137,252/178,966,390.64
  6. Step 6: Final answer
    x = 138,874,243.76

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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.