Home / 57,102,458.27-78,801,492.38-30,996,993.79

Finding the Fourth Proportional to 57,102,458.27, 78,801,492.38 and 30,996,993.79

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Solution

The fourth proportional to 57,102,458.27, 78,801,492.38 and 30,996,993.79 is: 42,775,905.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102,458.27 : 78,801,492.38 = 30,996,993.79 : x
  2. Step 2: Convert to fraction form
    57,102,458.27/78,801,492.38 = 30,996,993.79/x
  3. Step 3: Cross multiply
    57,102,458.27x = 78,801,492.38 × 30,996,993.79
  4. Step 4: Simplify right side
    57,102,458.27x = 2,442,609,369,620,116
  5. Step 5: Solve for x
    x = 2,442,609,369,620,116/57,102,458.27
  6. Step 6: Final answer
    x = 42,775,905.69

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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.