Home / 84,308,251.88-116,281,195.98-72,567,502.76

Finding the Fourth Proportional to 84,308,251.88, 116,281,195.98 and 72,567,502.76

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Solution

The fourth proportional to 84,308,251.88, 116,281,195.98 and 72,567,502.76 is: 100,087,901.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,308,251.88 : 116,281,195.98 = 72,567,502.76 : x
  2. Step 2: Convert to fraction form
    84,308,251.88/116,281,195.98 = 72,567,502.76/x
  3. Step 3: Cross multiply
    84,308,251.88x = 116,281,195.98 × 72,567,502.76
  4. Step 4: Simplify right side
    84,308,251.88x = 8,438,236,010,214,752
  5. Step 5: Solve for x
    x = 8,438,236,010,214,752/84,308,251.88
  6. Step 6: Final answer
    x = 100,087,901.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.