Home / 147,777,818.60-203,939,687.78-82,587,720.68

Finding the Fourth Proportional to 147,777,818.60, 203,939,687.78 and 82,587,720.68

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Solution

The fourth proportional to 147,777,818.60, 203,939,687.78 and 82,587,720.68 is: 113,974,574.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,777,818.60 : 203,939,687.78 = 82,587,720.68 : x
  2. Step 2: Convert to fraction form
    147,777,818.60/203,939,687.78 = 82,587,720.68/x
  3. Step 3: Cross multiply
    147,777,818.60x = 203,939,687.78 × 82,587,720.68
  4. Step 4: Simplify right side
    147,777,818.60x = 16,842,913,969,941,050
  5. Step 5: Solve for x
    x = 16,842,913,969,941,050/147,777,818.60
  6. Step 6: Final answer
    x = 113,974,574.33

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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.