Home / 356,027,715.20-534,136,051.20-125,972,811.20

Finding the Fourth Proportional to 356,027,715.20, 534,136,051.20 and 125,972,811.20

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Solution

The fourth proportional to 356,027,715.20, 534,136,051.20 and 125,972,811.20 is: 188,992,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,027,715.20 : 534,136,051.20 = 125,972,811.20 : x
  2. Step 2: Convert to fraction form
    356,027,715.20/534,136,051.20 = 125,972,811.20/x
  3. Step 3: Cross multiply
    356,027,715.20x = 534,136,051.20 × 125,972,811.20
  4. Step 4: Simplify right side
    356,027,715.20x = 67,286,619,932,931,136
  5. Step 5: Solve for x
    x = 67,286,619,932,931,136/356,027,715.20
  6. Step 6: Final answer
    x = 188,992,645.97

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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.