Home / 159,847,401.55-220,587,085.71-89,284,015.84

Finding the Fourth Proportional to 159,847,401.55, 220,587,085.71 and 89,284,015.84

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Solution

The fourth proportional to 159,847,401.55, 220,587,085.71 and 89,284,015.84 is: 123,210,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,847,401.55 : 220,587,085.71 = 89,284,015.84 : x
  2. Step 2: Convert to fraction form
    159,847,401.55/220,587,085.71 = 89,284,015.84/x
  3. Step 3: Cross multiply
    159,847,401.55x = 220,587,085.71 × 89,284,015.84
  4. Step 4: Simplify right side
    159,847,401.55x = 19,694,900,854,631,080
  5. Step 5: Solve for x
    x = 19,694,900,854,631,080/159,847,401.55
  6. Step 6: Final answer
    x = 123,210,641.30

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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.