Home / 144,373,784.65-199,244,249.45-81,655,442.88

Finding the Fourth Proportional to 144,373,784.65, 199,244,249.45 and 81,655,442.88

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Solution

The fourth proportional to 144,373,784.65, 199,244,249.45 and 81,655,442.88 is: 112,689,277.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,373,784.65 : 199,244,249.45 = 81,655,442.88 : x
  2. Step 2: Convert to fraction form
    144,373,784.65/199,244,249.45 = 81,655,442.88/x
  3. Step 3: Cross multiply
    144,373,784.65x = 199,244,249.45 × 81,655,442.88
  4. Step 4: Simplify right side
    144,373,784.65x = 16,269,377,429,724,668
  5. Step 5: Solve for x
    x = 16,269,377,429,724,668/144,373,784.65
  6. Step 6: Final answer
    x = 112,689,277.14

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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.