Home / 85,917,791.44-128,726,309.04-58,535,195.50

Finding the Fourth Proportional to 85,917,791.44, 128,726,309.04 and 58,535,195.50

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Solution

The fourth proportional to 85,917,791.44, 128,726,309.04 and 58,535,195.50 is: 87,700,341.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,917,791.44 : 128,726,309.04 = 58,535,195.50 : x
  2. Step 2: Convert to fraction form
    85,917,791.44/128,726,309.04 = 58,535,195.50/x
  3. Step 3: Cross multiply
    85,917,791.44x = 128,726,309.04 × 58,535,195.50
  4. Step 4: Simplify right side
    85,917,791.44x = 7,535,019,665,649,818
  5. Step 5: Solve for x
    x = 7,535,019,665,649,818/85,917,791.44
  6. Step 6: Final answer
    x = 87,700,341.68

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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.