Home / 45,301,320.52-67,926,073.74-21,027,758.92

Finding the Fourth Proportional to 45,301,320.52, 67,926,073.74 and 21,027,758.92

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Solution

The fourth proportional to 45,301,320.52, 67,926,073.74 and 21,027,758.92 is: 31,529,612.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,301,320.52 : 67,926,073.74 = 21,027,758.92 : x
  2. Step 2: Convert to fraction form
    45,301,320.52/67,926,073.74 = 21,027,758.92/x
  3. Step 3: Cross multiply
    45,301,320.52x = 67,926,073.74 × 21,027,758.92
  4. Step 4: Simplify right side
    45,301,320.52x = 1,428,333,102,986,862.75
  5. Step 5: Solve for x
    x = 1,428,333,102,986,862.75/45,301,320.52
  6. Step 6: Final answer
    x = 31,529,612.97

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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.