Home / 295,245,430.10-442,868,145.15-172,297,538.90

Finding the Fourth Proportional to 295,245,430.10, 442,868,145.15 and 172,297,538.90

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Solution

The fourth proportional to 295,245,430.10, 442,868,145.15 and 172,297,538.90 is: 258,446,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245,430.10 : 442,868,145.15 = 172,297,538.90 : x
  2. Step 2: Convert to fraction form
    295,245,430.10/442,868,145.15 = 172,297,538.90/x
  3. Step 3: Cross multiply
    295,245,430.10x = 442,868,145.15 × 172,297,538.90
  4. Step 4: Simplify right side
    295,245,430.10x = 76,305,091,466,552,976
  5. Step 5: Solve for x
    x = 76,305,091,466,552,976/295,245,430.10
  6. Step 6: Final answer
    x = 258,446,308.35

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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.