Home / 143,905,599.46-215,858,435.94-40,290,069.88

Finding the Fourth Proportional to 143,905,599.46, 215,858,435.94 and 40,290,069.88

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Solution

The fourth proportional to 143,905,599.46, 215,858,435.94 and 40,290,069.88 is: 60,435,115.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,905,599.46 : 215,858,435.94 = 40,290,069.88 : x
  2. Step 2: Convert to fraction form
    143,905,599.46/215,858,435.94 = 40,290,069.88/x
  3. Step 3: Cross multiply
    143,905,599.46x = 215,858,435.94 × 40,290,069.88
  4. Step 4: Simplify right side
    143,905,599.46x = 8,696,951,468,210,104
  5. Step 5: Solve for x
    x = 8,696,951,468,210,104/143,905,599.46
  6. Step 6: Final answer
    x = 60,435,115.11

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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.