Home / 78,012,590.38-107,657,734.36-43,204,551.10

Finding the Fourth Proportional to 78,012,590.38, 107,657,734.36 and 43,204,551.10

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Solution

The fourth proportional to 78,012,590.38, 107,657,734.36 and 43,204,551.10 is: 59,622,479.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,012,590.38 : 107,657,734.36 = 43,204,551.10 : x
  2. Step 2: Convert to fraction form
    78,012,590.38/107,657,734.36 = 43,204,551.10/x
  3. Step 3: Cross multiply
    78,012,590.38x = 107,657,734.36 × 43,204,551.10
  4. Step 4: Simplify right side
    78,012,590.38x = 4,651,304,084,928,557
  5. Step 5: Solve for x
    x = 4,651,304,084,928,557/78,012,590.38
  6. Step 6: Final answer
    x = 59,622,479.69

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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.