Home / 80,982,530-111,753,127.90-46,186,430.52

Finding the Fourth Proportional to 80,982,530, 111,753,127.90 and 46,186,430.52

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Solution

The fourth proportional to 80,982,530, 111,753,127.90 and 46,186,430.52 is: 63,735,698.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,982,530 : 111,753,127.90 = 46,186,430.52 : x
  2. Step 2: Convert to fraction form
    80,982,530/111,753,127.90 = 46,186,430.52/x
  3. Step 3: Cross multiply
    80,982,530x = 111,753,127.90 × 46,186,430.52
  4. Step 4: Simplify right side
    80,982,530x = 5,161,478,077,146,024
  5. Step 5: Solve for x
    x = 5,161,478,077,146,024/80,982,530
  6. Step 6: Final answer
    x = 63,735,698.02

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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.