Home / 79,524,357.28-119,272,536.24-21,232,758.40

Finding the Fourth Proportional to 79,524,357.28, 119,272,536.24 and 21,232,758.40

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Solution

The fourth proportional to 79,524,357.28, 119,272,536.24 and 21,232,758.40 is: 31,845,399.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,524,357.28 : 119,272,536.24 = 21,232,758.40 : x
  2. Step 2: Convert to fraction form
    79,524,357.28/119,272,536.24 = 21,232,758.40/x
  3. Step 3: Cross multiply
    79,524,357.28x = 119,272,536.24 × 21,232,758.40
  4. Step 4: Simplify right side
    79,524,357.28x = 2,532,484,945,739,164
  5. Step 5: Solve for x
    x = 2,532,484,945,739,164/79,524,357.28
  6. Step 6: Final answer
    x = 31,845,399.73

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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.