Home / 123,696,067.80-185,544,101.70-112,925,530.20

Finding the Fourth Proportional to 123,696,067.80, 185,544,101.70 and 112,925,530.20

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Solution

The fourth proportional to 123,696,067.80, 185,544,101.70 and 112,925,530.20 is: 169,388,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,696,067.80 : 185,544,101.70 = 112,925,530.20 : x
  2. Step 2: Convert to fraction form
    123,696,067.80/185,544,101.70 = 112,925,530.20/x
  3. Step 3: Cross multiply
    123,696,067.80x = 185,544,101.70 × 112,925,530.20
  4. Step 4: Simplify right side
    123,696,067.80x = 20,952,666,059,955,220
  5. Step 5: Solve for x
    x = 20,952,666,059,955,220/123,696,067.80
  6. Step 6: Final answer
    x = 169,388,295.30

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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.