Home / 159,847,400.95-220,587,084.88-89,284,015.24

Finding the Fourth Proportional to 159,847,400.95, 220,587,084.88 and 89,284,015.24

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Solution

The fourth proportional to 159,847,400.95, 220,587,084.88 and 89,284,015.24 is: 123,210,640.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,847,400.95 : 220,587,084.88 = 89,284,015.24 : x
  2. Step 2: Convert to fraction form
    159,847,400.95/220,587,084.88 = 89,284,015.24/x
  3. Step 3: Cross multiply
    159,847,400.95x = 220,587,084.88 × 89,284,015.24
  4. Step 4: Simplify right side
    159,847,400.95x = 19,694,900,647,398,416
  5. Step 5: Solve for x
    x = 19,694,900,647,398,416/159,847,400.95
  6. Step 6: Final answer
    x = 123,210,640.46

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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.