Home / 71,613,870.30-98,825,802.57-39,825,989.33

Finding the Fourth Proportional to 71,613,870.30, 98,825,802.57 and 39,825,989.33

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Solution

The fourth proportional to 71,613,870.30, 98,825,802.57 and 39,825,989.33 is: 54,959,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,613,870.30 : 98,825,802.57 = 39,825,989.33 : x
  2. Step 2: Convert to fraction form
    71,613,870.30/98,825,802.57 = 39,825,989.33/x
  3. Step 3: Cross multiply
    71,613,870.30x = 98,825,802.57 × 39,825,989.33
  4. Step 4: Simplify right side
    71,613,870.30x = 3,935,835,358,187,377.50
  5. Step 5: Solve for x
    x = 3,935,835,358,187,377.50/71,613,870.30
  6. Step 6: Final answer
    x = 54,959,120.93

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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.