Home / 319,873,045.52-479,986,617-156,112,158.68

Finding the Fourth Proportional to 319,873,045.52, 479,986,617 and 156,112,158.68

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Solution

The fourth proportional to 319,873,045.52, 479,986,617 and 156,112,158.68 is: 234,254,645.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,873,045.52 : 479,986,617 = 156,112,158.68 : x
  2. Step 2: Convert to fraction form
    319,873,045.52/479,986,617 = 156,112,158.68/x
  3. Step 3: Cross multiply
    319,873,045.52x = 479,986,617 × 156,112,158.68
  4. Step 4: Simplify right side
    319,873,045.52x = 74,931,746,917,380,384
  5. Step 5: Solve for x
    x = 74,931,746,917,380,384/319,873,045.52
  6. Step 6: Final answer
    x = 234,254,645.61

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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.