Home / 68,885,892.28-103,328,838.57-28,496,376.28

Finding the Fourth Proportional to 68,885,892.28, 103,328,838.57 and 28,496,376.28

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Solution

The fourth proportional to 68,885,892.28, 103,328,838.57 and 28,496,376.28 is: 42,744,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,885,892.28 : 103,328,838.57 = 28,496,376.28 : x
  2. Step 2: Convert to fraction form
    68,885,892.28/103,328,838.57 = 28,496,376.28/x
  3. Step 3: Cross multiply
    68,885,892.28x = 103,328,838.57 × 28,496,376.28
  4. Step 4: Simplify right side
    68,885,892.28x = 2,944,497,464,702,119.50
  5. Step 5: Solve for x
    x = 2,944,497,464,702,119.50/68,885,892.28
  6. Step 6: Final answer
    x = 42,744,564.48

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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.