Home / 81,182,776.80-112,048,507.68-48,161,354.94

Finding the Fourth Proportional to 81,182,776.80, 112,048,507.68 and 48,161,354.94

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Solution

The fourth proportional to 81,182,776.80, 112,048,507.68 and 48,161,354.94 is: 66,472,325.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,182,776.80 : 112,048,507.68 = 48,161,354.94 : x
  2. Step 2: Convert to fraction form
    81,182,776.80/112,048,507.68 = 48,161,354.94/x
  3. Step 3: Cross multiply
    81,182,776.80x = 112,048,507.68 × 48,161,354.94
  4. Step 4: Simplify right side
    81,182,776.80x = 5,396,407,948,873,796
  5. Step 5: Solve for x
    x = 5,396,407,948,873,796/81,182,776.80
  6. Step 6: Final answer
    x = 66,472,325.31

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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.