Home / 143,905,598.46-215,858,434.44-40,290,068.88

Finding the Fourth Proportional to 143,905,598.46, 215,858,434.44 and 40,290,068.88

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Solution

The fourth proportional to 143,905,598.46, 215,858,434.44 and 40,290,068.88 is: 60,435,113.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,905,598.46 : 215,858,434.44 = 40,290,068.88 : x
  2. Step 2: Convert to fraction form
    143,905,598.46/215,858,434.44 = 40,290,068.88/x
  3. Step 3: Cross multiply
    143,905,598.46x = 215,858,434.44 × 40,290,068.88
  4. Step 4: Simplify right side
    143,905,598.46x = 8,696,951,191,916,565
  5. Step 5: Solve for x
    x = 8,696,951,191,916,565/143,905,598.46
  6. Step 6: Final answer
    x = 60,435,113.61

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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.