Home / 144,853,479.20-217,280,218.80-68,325,975.20

Finding the Fourth Proportional to 144,853,479.20, 217,280,218.80 and 68,325,975.20

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Solution

The fourth proportional to 144,853,479.20, 217,280,218.80 and 68,325,975.20 is: 102,488,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,853,479.20 : 217,280,218.80 = 68,325,975.20 : x
  2. Step 2: Convert to fraction form
    144,853,479.20/217,280,218.80 = 68,325,975.20/x
  3. Step 3: Cross multiply
    144,853,479.20x = 217,280,218.80 × 68,325,975.20
  4. Step 4: Simplify right side
    144,853,479.20x = 14,845,882,841,179,376
  5. Step 5: Solve for x
    x = 14,845,882,841,179,376/144,853,479.20
  6. Step 6: Final answer
    x = 102,488,962.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.