Home / 81,333,286.12-112,145,109.16-60,670,860.04

Finding the Fourth Proportional to 81,333,286.12, 112,145,109.16 and 60,670,860.04

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Solution

The fourth proportional to 81,333,286.12, 112,145,109.16 and 60,670,860.04 is: 83,655,051.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,333,286.12 : 112,145,109.16 = 60,670,860.04 : x
  2. Step 2: Convert to fraction form
    81,333,286.12/112,145,109.16 = 60,670,860.04/x
  3. Step 3: Cross multiply
    81,333,286.12x = 112,145,109.16 × 60,670,860.04
  4. Step 4: Simplify right side
    81,333,286.12x = 6,803,940,222,016,882
  5. Step 5: Solve for x
    x = 6,803,940,222,016,882/81,333,286.12
  6. Step 6: Final answer
    x = 83,655,051.29

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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.