Home / 151,272,610.13-208,750,690.59-84,288,107.51

Finding the Fourth Proportional to 151,272,610.13, 208,750,690.59 and 84,288,107.51

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Solution

The fourth proportional to 151,272,610.13, 208,750,690.59 and 84,288,107.51 is: 116,314,517.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,272,610.13 : 208,750,690.59 = 84,288,107.51 : x
  2. Step 2: Convert to fraction form
    151,272,610.13/208,750,690.59 = 84,288,107.51/x
  3. Step 3: Cross multiply
    151,272,610.13x = 208,750,690.59 × 84,288,107.51
  4. Step 4: Simplify right side
    151,272,610.13x = 17,595,200,651,758,542
  5. Step 5: Solve for x
    x = 17,595,200,651,758,542/151,272,610.13
  6. Step 6: Final answer
    x = 116,314,517.46

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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.