Home / 260,776,821.10-391,165,231.65-157,464,690.70

Finding the Fourth Proportional to 260,776,821.10, 391,165,231.65 and 157,464,690.70

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Solution

The fourth proportional to 260,776,821.10, 391,165,231.65 and 157,464,690.70 is: 236,197,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,776,821.10 : 391,165,231.65 = 157,464,690.70 : x
  2. Step 2: Convert to fraction form
    260,776,821.10/391,165,231.65 = 157,464,690.70/x
  3. Step 3: Cross multiply
    260,776,821.10x = 391,165,231.65 × 157,464,690.70
  4. Step 4: Simplify right side
    260,776,821.10x = 61,594,712,214,361,096
  5. Step 5: Solve for x
    x = 61,594,712,214,361,096/260,776,821.10
  6. Step 6: Final answer
    x = 236,197,036.05

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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.