Home / 172,045,568.20-258,068,352.30-76,307,456.20

Finding the Fourth Proportional to 172,045,568.20, 258,068,352.30 and 76,307,456.20

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Solution

The fourth proportional to 172,045,568.20, 258,068,352.30 and 76,307,456.20 is: 114,461,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,045,568.20 : 258,068,352.30 = 76,307,456.20 : x
  2. Step 2: Convert to fraction form
    172,045,568.20/258,068,352.30 = 76,307,456.20/x
  3. Step 3: Cross multiply
    172,045,568.20x = 258,068,352.30 × 76,307,456.20
  4. Step 4: Simplify right side
    172,045,568.20x = 19,692,539,489,738,420
  5. Step 5: Solve for x
    x = 19,692,539,489,738,420/172,045,568.20
  6. Step 6: Final answer
    x = 114,461,184.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.