Home / 222,470,522.40-333,642,010.68-67,039,382.64

Finding the Fourth Proportional to 222,470,522.40, 333,642,010.68 and 67,039,382.64

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Solution

The fourth proportional to 222,470,522.40, 333,642,010.68 and 67,039,382.64 is: 100,539,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,470,522.40 : 333,642,010.68 = 67,039,382.64 : x
  2. Step 2: Convert to fraction form
    222,470,522.40/333,642,010.68 = 67,039,382.64/x
  3. Step 3: Cross multiply
    222,470,522.40x = 333,642,010.68 × 67,039,382.64
  4. Step 4: Simplify right side
    222,470,522.40x = 22,367,154,418,755,488
  5. Step 5: Solve for x
    x = 22,367,154,418,755,488/222,470,522.40
  6. Step 6: Final answer
    x = 100,539,856.60

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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.