Home / 215,476,396.96-297,358,335.90-121,391,672.77

Finding the Fourth Proportional to 215,476,396.96, 297,358,335.90 and 121,391,672.77

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Solution

The fourth proportional to 215,476,396.96, 297,358,335.90 and 121,391,672.77 is: 167,521,020.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,476,396.96 : 297,358,335.90 = 121,391,672.77 : x
  2. Step 2: Convert to fraction form
    215,476,396.96/297,358,335.90 = 121,391,672.77/x
  3. Step 3: Cross multiply
    215,476,396.96x = 297,358,335.90 × 121,391,672.77
  4. Step 4: Simplify right side
    215,476,396.96x = 36,096,825,807,004,536
  5. Step 5: Solve for x
    x = 36,096,825,807,004,536/215,476,396.96
  6. Step 6: Final answer
    x = 167,521,020.01

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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.