Home / 147,162,043.42-220,775,387.29-43,523,168.78

Finding the Fourth Proportional to 147,162,043.42, 220,775,387.29 and 43,523,168.78

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Solution

The fourth proportional to 147,162,043.42, 220,775,387.29 and 43,523,168.78 is: 65,294,312.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,162,043.42 : 220,775,387.29 = 43,523,168.78 : x
  2. Step 2: Convert to fraction form
    147,162,043.42/220,775,387.29 = 43,523,168.78/x
  3. Step 3: Cross multiply
    147,162,043.42x = 220,775,387.29 × 43,523,168.78
  4. Step 4: Simplify right side
    147,162,043.42x = 9,608,844,442,460,654
  5. Step 5: Solve for x
    x = 9,608,844,442,460,654/147,162,043.42
  6. Step 6: Final answer
    x = 65,294,312.44

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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.