Home / 144,855,000.30-217,282,500.45-128,982,629.10

Finding the Fourth Proportional to 144,855,000.30, 217,282,500.45 and 128,982,629.10

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Solution

The fourth proportional to 144,855,000.30, 217,282,500.45 and 128,982,629.10 is: 193,473,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,855,000.30 : 217,282,500.45 = 128,982,629.10 : x
  2. Step 2: Convert to fraction form
    144,855,000.30/217,282,500.45 = 128,982,629.10/x
  3. Step 3: Cross multiply
    144,855,000.30x = 217,282,500.45 × 128,982,629.10
  4. Step 4: Simplify right side
    144,855,000.30x = 28,025,668,165,462,932
  5. Step 5: Solve for x
    x = 28,025,668,165,462,932/144,855,000.30
  6. Step 6: Final answer
    x = 193,473,943.65

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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.