Home / 215,457,922.08-297,333,820.80-122,644,397.70

Finding the Fourth Proportional to 215,457,922.08, 297,333,820.80 and 122,644,397.70

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Solution

The fourth proportional to 215,457,922.08, 297,333,820.80 and 122,644,397.70 is: 169,250,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,457,922.08 : 297,333,820.80 = 122,644,397.70 : x
  2. Step 2: Convert to fraction form
    215,457,922.08/297,333,820.80 = 122,644,397.70/x
  3. Step 3: Cross multiply
    215,457,922.08x = 297,333,820.80 × 122,644,397.70
  4. Step 4: Simplify right side
    215,457,922.08x = 36,466,327,367,855,736
  5. Step 5: Solve for x
    x = 36,466,327,367,855,736/215,457,922.08
  6. Step 6: Final answer
    x = 169,250,343.71

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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.