Home / 124,216,793.10-186,325,189.65-42,428,023.20

Finding the Fourth Proportional to 124,216,793.10, 186,325,189.65 and 42,428,023.20

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Solution

The fourth proportional to 124,216,793.10, 186,325,189.65 and 42,428,023.20 is: 63,642,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,216,793.10 : 186,325,189.65 = 42,428,023.20 : x
  2. Step 2: Convert to fraction form
    124,216,793.10/186,325,189.65 = 42,428,023.20/x
  3. Step 3: Cross multiply
    124,216,793.10x = 186,325,189.65 × 42,428,023.20
  4. Step 4: Simplify right side
    124,216,793.10x = 7,905,409,469,214,601
  5. Step 5: Solve for x
    x = 7,905,409,469,214,601/124,216,793.10
  6. Step 6: Final answer
    x = 63,642,034.80

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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.