Home / 71,868,216.40-107,802,324.60-54,862,104.40

Finding the Fourth Proportional to 71,868,216.40, 107,802,324.60 and 54,862,104.40

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Solution

The fourth proportional to 71,868,216.40, 107,802,324.60 and 54,862,104.40 is: 82,293,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,868,216.40 : 107,802,324.60 = 54,862,104.40 : x
  2. Step 2: Convert to fraction form
    71,868,216.40/107,802,324.60 = 54,862,104.40/x
  3. Step 3: Cross multiply
    71,868,216.40x = 107,802,324.60 × 54,862,104.40
  4. Step 4: Simplify right side
    71,868,216.40x = 5,914,262,386,767,888
  5. Step 5: Solve for x
    x = 5,914,262,386,767,888/71,868,216.40
  6. Step 6: Final answer
    x = 82,293,156.60

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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.