Home / 266,055,708.40-398,784,964.20-112,675,663.60

Finding the Fourth Proportional to 266,055,708.40, 398,784,964.20 and 112,675,663.60

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Solution

The fourth proportional to 266,055,708.40, 398,784,964.20 and 112,675,663.60 is: 168,887,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,055,708.40 : 398,784,964.20 = 112,675,663.60 : x
  2. Step 2: Convert to fraction form
    266,055,708.40/398,784,964.20 = 112,675,663.60/x
  3. Step 3: Cross multiply
    266,055,708.40x = 398,784,964.20 × 112,675,663.60
  4. Step 4: Simplify right side
    266,055,708.40x = 44,933,360,474,937,240
  5. Step 5: Solve for x
    x = 44,933,360,474,937,240/266,055,708.40
  6. Step 6: Final answer
    x = 168,887,037.78

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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.