Home / 69,917,139.12-96,486,064.30-40,565,948.34

Finding the Fourth Proportional to 69,917,139.12, 96,486,064.30 and 40,565,948.34

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Solution

The fourth proportional to 69,917,139.12, 96,486,064.30 and 40,565,948.34 is: 55,981,247.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,917,139.12 : 96,486,064.30 = 40,565,948.34 : x
  2. Step 2: Convert to fraction form
    69,917,139.12/96,486,064.30 = 40,565,948.34/x
  3. Step 3: Cross multiply
    69,917,139.12x = 96,486,064.30 × 40,565,948.34
  4. Step 4: Simplify right side
    69,917,139.12x = 3,914,048,699,923,718.50
  5. Step 5: Solve for x
    x = 3,914,048,699,923,718.50/69,917,139.12
  6. Step 6: Final answer
    x = 55,981,247.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.