Home / 215,788,727.29-297,787,883.56-120,418,236.07

Finding the Fourth Proportional to 215,788,727.29, 297,787,883.56 and 120,418,236.07

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Solution

The fourth proportional to 215,788,727.29, 297,787,883.56 and 120,418,236.07 is: 166,176,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,788,727.29 : 297,787,883.56 = 120,418,236.07 : x
  2. Step 2: Convert to fraction form
    215,788,727.29/297,787,883.56 = 120,418,236.07/x
  3. Step 3: Cross multiply
    215,788,727.29x = 297,787,883.56 × 120,418,236.07
  4. Step 4: Simplify right side
    215,788,727.29x = 35,859,091,660,690,368
  5. Step 5: Solve for x
    x = 35,859,091,660,690,368/215,788,727.29
  6. Step 6: Final answer
    x = 166,176,853.21

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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.