Home / 136,340,229.05-188,154,158.57-80,633,402.45

Finding the Fourth Proportional to 136,340,229.05, 188,154,158.57 and 80,633,402.45

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Solution

The fourth proportional to 136,340,229.05, 188,154,158.57 and 80,633,402.45 is: 111,276,841.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,340,229.05 : 188,154,158.57 = 80,633,402.45 : x
  2. Step 2: Convert to fraction form
    136,340,229.05/188,154,158.57 = 80,633,402.45/x
  3. Step 3: Cross multiply
    136,340,229.05x = 188,154,158.57 × 80,633,402.45
  4. Step 4: Simplify right side
    136,340,229.05x = 15,171,509,990,212,760
  5. Step 5: Solve for x
    x = 15,171,509,990,212,760/136,340,229.05
  6. Step 6: Final answer
    x = 111,276,841.00

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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.