Home / 261,855,579.12-392,338,886.61-158,006,582.64

Finding the Fourth Proportional to 261,855,579.12, 392,338,886.61 and 158,006,582.64

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Solution

The fourth proportional to 261,855,579.12, 392,338,886.61 and 158,006,582.64 is: 236,741,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,855,579.12 : 392,338,886.61 = 158,006,582.64 : x
  2. Step 2: Convert to fraction form
    261,855,579.12/392,338,886.61 = 158,006,582.64/x
  3. Step 3: Cross multiply
    261,855,579.12x = 392,338,886.61 × 158,006,582.64
  4. Step 4: Simplify right side
    261,855,579.12x = 61,992,126,710,028,552
  5. Step 5: Solve for x
    x = 61,992,126,710,028,552/261,855,579.12
  6. Step 6: Final answer
    x = 236,741,668.51

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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.