Home / 286,992,167.29-396,061,732.87-161,552,457.50

Finding the Fourth Proportional to 286,992,167.29, 396,061,732.87 and 161,552,457.50

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Solution

The fourth proportional to 286,992,167.29, 396,061,732.87 and 161,552,457.50 is: 222,949,451.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,992,167.29 : 396,061,732.87 = 161,552,457.50 : x
  2. Step 2: Convert to fraction form
    286,992,167.29/396,061,732.87 = 161,552,457.50/x
  3. Step 3: Cross multiply
    286,992,167.29x = 396,061,732.87 × 161,552,457.50
  4. Step 4: Simplify right side
    286,992,167.29x = 63,984,746,264,472,840
  5. Step 5: Solve for x
    x = 63,984,746,264,472,840/286,992,167.29
  6. Step 6: Final answer
    x = 222,949,451.44

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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.