Home / 143,873,375.28-215,777,514.72-66,075,486.72

Finding the Fourth Proportional to 143,873,375.28, 215,777,514.72 and 66,075,486.72

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Solution

The fourth proportional to 143,873,375.28, 215,777,514.72 and 66,075,486.72 is: 99,098,281.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,873,375.28 : 215,777,514.72 = 66,075,486.72 : x
  2. Step 2: Convert to fraction form
    143,873,375.28/215,777,514.72 = 66,075,486.72/x
  3. Step 3: Cross multiply
    143,873,375.28x = 215,777,514.72 × 66,075,486.72
  4. Step 4: Simplify right side
    143,873,375.28x = 14,257,604,308,355,964
  5. Step 5: Solve for x
    x = 14,257,604,308,355,964/143,873,375.28
  6. Step 6: Final answer
    x = 99,098,281.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.