Home / 56,918,025.45-78,546,857.99-30,812,524.17

Finding the Fourth Proportional to 56,918,025.45, 78,546,857.99 and 30,812,524.17

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Solution

The fourth proportional to 56,918,025.45, 78,546,857.99 and 30,812,524.17 is: 42,521,274.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,918,025.45 : 78,546,857.99 = 30,812,524.17 : x
  2. Step 2: Convert to fraction form
    56,918,025.45/78,546,857.99 = 30,812,524.17/x
  3. Step 3: Cross multiply
    56,918,025.45x = 78,546,857.99 × 30,812,524.17
  4. Step 4: Simplify right side
    56,918,025.45x = 2,420,226,960,140,370
  5. Step 5: Solve for x
    x = 2,420,226,960,140,370/56,918,025.45
  6. Step 6: Final answer
    x = 42,521,274.08

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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.