Home / 319,873,197.89-479,986,845.41-156,112,310.95

Finding the Fourth Proportional to 319,873,197.89, 479,986,845.41 and 156,112,310.95

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Solution

The fourth proportional to 319,873,197.89, 479,986,845.41 and 156,112,310.95 is: 234,254,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,873,197.89 : 479,986,845.41 = 156,112,310.95 : x
  2. Step 2: Convert to fraction form
    319,873,197.89/479,986,845.41 = 156,112,310.95/x
  3. Step 3: Cross multiply
    319,873,197.89x = 479,986,845.41 × 156,112,310.95
  4. Step 4: Simplify right side
    319,873,197.89x = 74,931,855,661,745,808
  5. Step 5: Solve for x
    x = 74,931,855,661,745,808/319,873,197.89
  6. Step 6: Final answer
    x = 234,254,873.98

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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.