Home / 243,335,459.43-335,801,077.87-131,825,502.54

Finding the Fourth Proportional to 243,335,459.43, 335,801,077.87 and 131,825,502.54

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Solution

The fourth proportional to 243,335,459.43, 335,801,077.87 and 131,825,502.54 is: 181,918,187.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,335,459.43 : 335,801,077.87 = 131,825,502.54 : x
  2. Step 2: Convert to fraction form
    243,335,459.43/335,801,077.87 = 131,825,502.54/x
  3. Step 3: Cross multiply
    243,335,459.43x = 335,801,077.87 × 131,825,502.54
  4. Step 4: Simplify right side
    243,335,459.43x = 44,267,145,843,686,424
  5. Step 5: Solve for x
    x = 44,267,145,843,686,424/243,335,459.43
  6. Step 6: Final answer
    x = 181,918,187.95

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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.