Home / 121,442,350.42-182,163,382.86-39,561,094.72

Finding the Fourth Proportional to 121,442,350.42, 182,163,382.86 and 39,561,094.72

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Solution

The fourth proportional to 121,442,350.42, 182,163,382.86 and 39,561,094.72 is: 59,341,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,442,350.42 : 182,163,382.86 = 39,561,094.72 : x
  2. Step 2: Convert to fraction form
    121,442,350.42/182,163,382.86 = 39,561,094.72/x
  3. Step 3: Cross multiply
    121,442,350.42x = 182,163,382.86 × 39,561,094.72
  4. Step 4: Simplify right side
    121,442,350.42x = 7,206,582,842,929,269
  5. Step 5: Solve for x
    x = 7,206,582,842,929,269/121,442,350.42
  6. Step 6: Final answer
    x = 59,341,595.57

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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.