Home / 48,386,051.70-72,579,077.55-21,512,195.70

Finding the Fourth Proportional to 48,386,051.70, 72,579,077.55 and 21,512,195.70

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Solution

The fourth proportional to 48,386,051.70, 72,579,077.55 and 21,512,195.70 is: 32,268,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386,051.70 : 72,579,077.55 = 21,512,195.70 : x
  2. Step 2: Convert to fraction form
    48,386,051.70/72,579,077.55 = 21,512,195.70/x
  3. Step 3: Cross multiply
    48,386,051.70x = 72,579,077.55 × 21,512,195.70
  4. Step 4: Simplify right side
    48,386,051.70x = 1,561,335,319,981,076.50
  5. Step 5: Solve for x
    x = 1,561,335,319,981,076.50/48,386,051.70
  6. Step 6: Final answer
    x = 32,268,293.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.