Home / 121,801,582.78-182,629,411.23-38,767,468.56

Finding the Fourth Proportional to 121,801,582.78, 182,629,411.23 and 38,767,468.56

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Solution

The fourth proportional to 121,801,582.78, 182,629,411.23 and 38,767,468.56 is: 58,127,979.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,801,582.78 : 182,629,411.23 = 38,767,468.56 : x
  2. Step 2: Convert to fraction form
    121,801,582.78/182,629,411.23 = 38,767,468.56/x
  3. Step 3: Cross multiply
    121,801,582.78x = 182,629,411.23 × 38,767,468.56
  4. Step 4: Simplify right side
    121,801,582.78x = 7,080,079,957,990,336
  5. Step 5: Solve for x
    x = 7,080,079,957,990,336/121,801,582.78
  6. Step 6: Final answer
    x = 58,127,979.92

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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.