Home / 159,847,403.05-220,587,087.77-89,284,017.34

Finding the Fourth Proportional to 159,847,403.05, 220,587,087.77 and 89,284,017.34

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Solution

The fourth proportional to 159,847,403.05, 220,587,087.77 and 89,284,017.34 is: 123,210,643.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,847,403.05 : 220,587,087.77 = 89,284,017.34 : x
  2. Step 2: Convert to fraction form
    159,847,403.05/220,587,087.77 = 89,284,017.34/x
  3. Step 3: Cross multiply
    159,847,403.05x = 220,587,087.77 × 89,284,017.34
  4. Step 4: Simplify right side
    159,847,403.05x = 19,694,901,369,436,784
  5. Step 5: Solve for x
    x = 19,694,901,369,436,784/159,847,403.05
  6. Step 6: Final answer
    x = 123,210,643.36

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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.