Home / 215,476,403.46-297,358,344.90-121,391,679.30

Finding the Fourth Proportional to 215,476,403.46, 297,358,344.90 and 121,391,679.30

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Solution

The fourth proportional to 215,476,403.46, 297,358,344.90 and 121,391,679.30 is: 167,521,029.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,476,403.46 : 297,358,344.90 = 121,391,679.30 : x
  2. Step 2: Convert to fraction form
    215,476,403.46/297,358,344.90 = 121,391,679.30/x
  3. Step 3: Cross multiply
    215,476,403.46x = 297,358,344.90 × 121,391,679.30
  4. Step 4: Simplify right side
    215,476,403.46x = 36,096,828,841,279,584
  5. Step 5: Solve for x
    x = 36,096,828,841,279,584/215,476,403.46
  6. Step 6: Final answer
    x = 167,521,029.04

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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.