Home / 289,162,216.96-399,044,340.48-158,790,284.80

Finding the Fourth Proportional to 289,162,216.96, 399,044,340.48 and 158,790,284.80

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Solution

The fourth proportional to 289,162,216.96, 399,044,340.48 and 158,790,284.80 is: 219,130,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,162,216.96 : 399,044,340.48 = 158,790,284.80 : x
  2. Step 2: Convert to fraction form
    289,162,216.96/399,044,340.48 = 158,790,284.80/x
  3. Step 3: Cross multiply
    289,162,216.96x = 399,044,340.48 × 158,790,284.80
  4. Step 4: Simplify right side
    289,162,216.96x = 63,364,364,472,647,376
  5. Step 5: Solve for x
    x = 63,364,364,472,647,376/289,162,216.96
  6. Step 6: Final answer
    x = 219,130,857.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.