Home / 144,619,739.92-199,526,686.86-81,887,263.84

Finding the Fourth Proportional to 144,619,739.92, 199,526,686.86 and 81,887,263.84

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Solution

The fourth proportional to 144,619,739.92, 199,526,686.86 and 81,887,263.84 is: 112,976,931.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,619,739.92 : 199,526,686.86 = 81,887,263.84 : x
  2. Step 2: Convert to fraction form
    144,619,739.92/199,526,686.86 = 81,887,263.84/x
  3. Step 3: Cross multiply
    144,619,739.92x = 199,526,686.86 × 81,887,263.84
  4. Step 4: Simplify right side
    144,619,739.92x = 16,338,694,450,025,884
  5. Step 5: Solve for x
    x = 16,338,694,450,025,884/144,619,739.92
  6. Step 6: Final answer
    x = 112,976,931.50

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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.