Home / 119,715,109.07-165,206,777.45-64,710,965.57

Finding the Fourth Proportional to 119,715,109.07, 165,206,777.45 and 64,710,965.57

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Solution

The fourth proportional to 119,715,109.07, 165,206,777.45 and 64,710,965.57 is: 89,301,092.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,715,109.07 : 165,206,777.45 = 64,710,965.57 : x
  2. Step 2: Convert to fraction form
    119,715,109.07/165,206,777.45 = 64,710,965.57/x
  3. Step 3: Cross multiply
    119,715,109.07x = 165,206,777.45 × 64,710,965.57
  4. Step 4: Simplify right side
    119,715,109.07x = 10,690,690,086,348,012
  5. Step 5: Solve for x
    x = 10,690,690,086,348,012/119,715,109.07
  6. Step 6: Final answer
    x = 89,301,092.99

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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.