Home / 151,389,277.22-208,917,286.52-81,774,658.47

Finding the Fourth Proportional to 151,389,277.22, 208,917,286.52 and 81,774,658.47

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Solution

The fourth proportional to 151,389,277.22, 208,917,286.52 and 81,774,658.47 is: 112,849,074.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,389,277.22 : 208,917,286.52 = 81,774,658.47 : x
  2. Step 2: Convert to fraction form
    151,389,277.22/208,917,286.52 = 81,774,658.47/x
  3. Step 3: Cross multiply
    151,389,277.22x = 208,917,286.52 × 81,774,658.47
  4. Step 4: Simplify right side
    151,389,277.22x = 17,084,139,753,243,260
  5. Step 5: Solve for x
    x = 17,084,139,753,243,260/151,389,277.22
  6. Step 6: Final answer
    x = 112,849,074.04

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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.