Home / 85,419,430.08-128,150,971.38-24,835,156.08

Finding the Fourth Proportional to 85,419,430.08, 128,150,971.38 and 24,835,156.08

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Solution

The fourth proportional to 85,419,430.08, 128,150,971.38 and 24,835,156.08 is: 37,259,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,419,430.08 : 128,150,971.38 = 24,835,156.08 : x
  2. Step 2: Convert to fraction form
    85,419,430.08/128,150,971.38 = 24,835,156.08/x
  3. Step 3: Cross multiply
    85,419,430.08x = 128,150,971.38 × 24,835,156.08
  4. Step 4: Simplify right side
    85,419,430.08x = 3,182,649,376,025,912.50
  5. Step 5: Solve for x
    x = 3,182,649,376,025,912.50/85,419,430.08
  6. Step 6: Final answer
    x = 37,259,079.97

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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.