Home / 215,612,082.61-297,544,674-122,801,226.37

Finding the Fourth Proportional to 215,612,082.61, 297,544,674 and 122,801,226.37

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Solution

The fourth proportional to 215,612,082.61, 297,544,674 and 122,801,226.37 is: 169,465,692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,612,082.61 : 297,544,674 = 122,801,226.37 : x
  2. Step 2: Convert to fraction form
    215,612,082.61/297,544,674 = 122,801,226.37/x
  3. Step 3: Cross multiply
    215,612,082.61x = 297,544,674 × 122,801,226.37
  4. Step 4: Simplify right side
    215,612,082.61x = 36,538,850,867,061,856
  5. Step 5: Solve for x
    x = 36,538,850,867,061,856/215,612,082.61
  6. Step 6: Final answer
    x = 169,465,692.39

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1.5x scale

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.