Home / 84,356,680.15-116,361,316.09-55,713,702.15

Finding the Fourth Proportional to 84,356,680.15, 116,361,316.09 and 55,713,702.15

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Solution

The fourth proportional to 84,356,680.15, 116,361,316.09 and 55,713,702.15 is: 76,851,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,356,680.15 : 116,361,316.09 = 55,713,702.15 : x
  2. Step 2: Convert to fraction form
    84,356,680.15/116,361,316.09 = 55,713,702.15/x
  3. Step 3: Cross multiply
    84,356,680.15x = 116,361,316.09 × 55,713,702.15
  4. Step 4: Simplify right side
    84,356,680.15x = 6,482,919,706,441,816
  5. Step 5: Solve for x
    x = 6,482,919,706,441,816/84,356,680.15
  6. Step 6: Final answer
    x = 76,851,290.20

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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.