Home / 260,689,098.60-391,285,590.30-131,442,647.40

Finding the Fourth Proportional to 260,689,098.60, 391,285,590.30 and 131,442,647.40

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Solution

The fourth proportional to 260,689,098.60, 391,285,590.30 and 131,442,647.40 is: 197,291,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,689,098.60 : 391,285,590.30 = 131,442,647.40 : x
  2. Step 2: Convert to fraction form
    260,689,098.60/391,285,590.30 = 131,442,647.40/x
  3. Step 3: Cross multiply
    260,689,098.60x = 391,285,590.30 × 131,442,647.40
  4. Step 4: Simplify right side
    260,689,098.60x = 51,431,613,878,503,768
  5. Step 5: Solve for x
    x = 51,431,613,878,503,768/260,689,098.60
  6. Step 6: Final answer
    x = 197,291,003.55

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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.