Home / 42,190,608.30-63,292,227.21-15,270,562.86

Finding the Fourth Proportional to 42,190,608.30, 63,292,227.21 and 15,270,562.86

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Solution

The fourth proportional to 42,190,608.30, 63,292,227.21 and 15,270,562.86 is: 22,908,129.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,190,608.30 : 63,292,227.21 = 15,270,562.86 : x
  2. Step 2: Convert to fraction form
    42,190,608.30/63,292,227.21 = 15,270,562.86/x
  3. Step 3: Cross multiply
    42,190,608.30x = 63,292,227.21 × 15,270,562.86
  4. Step 4: Simplify right side
    42,190,608.30x = 966,507,934,159,707.38
  5. Step 5: Solve for x
    x = 966,507,934,159,707.38/42,190,608.30
  6. Step 6: Final answer
    x = 22,908,129.87

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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.