Home / 147,777,818.10-203,939,687.09-82,587,720.18

Finding the Fourth Proportional to 147,777,818.10, 203,939,687.09 and 82,587,720.18

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Solution

The fourth proportional to 147,777,818.10, 203,939,687.09 and 82,587,720.18 is: 113,974,573.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,777,818.10 : 203,939,687.09 = 82,587,720.18 : x
  2. Step 2: Convert to fraction form
    147,777,818.10/203,939,687.09 = 82,587,720.18/x
  3. Step 3: Cross multiply
    147,777,818.10x = 203,939,687.09 × 82,587,720.18
  4. Step 4: Simplify right side
    147,777,818.10x = 16,842,913,810,985,680
  5. Step 5: Solve for x
    x = 16,842,913,810,985,680/147,777,818.10
  6. Step 6: Final answer
    x = 113,974,573.64

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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.