Home / 272,541,826.79-376,109,248.65-155,067,154.60

Finding the Fourth Proportional to 272,541,826.79, 376,109,248.65 and 155,067,154.60

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Solution

The fourth proportional to 272,541,826.79, 376,109,248.65 and 155,067,154.60 is: 213,993,542.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,541,826.79 : 376,109,248.65 = 155,067,154.60 : x
  2. Step 2: Convert to fraction form
    272,541,826.79/376,109,248.65 = 155,067,154.60/x
  3. Step 3: Cross multiply
    272,541,826.79x = 376,109,248.65 × 155,067,154.60
  4. Step 4: Simplify right side
    272,541,826.79x = 58,322,191,005,571,448
  5. Step 5: Solve for x
    x = 58,322,191,005,571,448/272,541,826.79
  6. Step 6: Final answer
    x = 213,993,542.54

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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.