Home / 83,876,801.56-115,650,943.44-57,427,980.94

Finding the Fourth Proportional to 83,876,801.56, 115,650,943.44 and 57,427,980.94

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Solution

The fourth proportional to 83,876,801.56, 115,650,943.44 and 57,427,980.94 is: 79,182,802.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,876,801.56 : 115,650,943.44 = 57,427,980.94 : x
  2. Step 2: Convert to fraction form
    83,876,801.56/115,650,943.44 = 57,427,980.94/x
  3. Step 3: Cross multiply
    83,876,801.56x = 115,650,943.44 × 57,427,980.94
  4. Step 4: Simplify right side
    83,876,801.56x = 6,641,600,175,565,338
  5. Step 5: Solve for x
    x = 6,641,600,175,565,338/83,876,801.56
  6. Step 6: Final answer
    x = 79,182,802.06

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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.