Home / 208,443,871.52-312,668,468.16-55,088,603.04

Finding the Fourth Proportional to 208,443,871.52, 312,668,468.16 and 55,088,603.04

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Solution

The fourth proportional to 208,443,871.52, 312,668,468.16 and 55,088,603.04 is: 82,633,607.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,443,871.52 : 312,668,468.16 = 55,088,603.04 : x
  2. Step 2: Convert to fraction form
    208,443,871.52/312,668,468.16 = 55,088,603.04/x
  3. Step 3: Cross multiply
    208,443,871.52x = 312,668,468.16 × 55,088,603.04
  4. Step 4: Simplify right side
    208,443,871.52x = 17,224,469,125,591,120
  5. Step 5: Solve for x
    x = 17,224,469,125,591,120/208,443,871.52
  6. Step 6: Final answer
    x = 82,633,607.79

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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.