Home / 154,417,122.38-213,094,854.45-83,852,102.25

Finding the Fourth Proportional to 154,417,122.38, 213,094,854.45 and 83,852,102.25

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Solution

The fourth proportional to 154,417,122.38, 213,094,854.45 and 83,852,102.25 is: 115,715,480.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,417,122.38 : 213,094,854.45 = 83,852,102.25 : x
  2. Step 2: Convert to fraction form
    154,417,122.38/213,094,854.45 = 83,852,102.25/x
  3. Step 3: Cross multiply
    154,417,122.38x = 213,094,854.45 × 83,852,102.25
  4. Step 4: Simplify right side
    154,417,122.38x = 17,868,451,524,290,266
  5. Step 5: Solve for x
    x = 17,868,451,524,290,266/154,417,122.38
  6. Step 6: Final answer
    x = 115,715,480.57

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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.