Home / 260,735,114.70-391,102,672.05-88,217,556.30

Finding the Fourth Proportional to 260,735,114.70, 391,102,672.05 and 88,217,556.30

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Solution

The fourth proportional to 260,735,114.70, 391,102,672.05 and 88,217,556.30 is: 132,326,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,735,114.70 : 391,102,672.05 = 88,217,556.30 : x
  2. Step 2: Convert to fraction form
    260,735,114.70/391,102,672.05 = 88,217,556.30/x
  3. Step 3: Cross multiply
    260,735,114.70x = 391,102,672.05 × 88,217,556.30
  4. Step 4: Simplify right side
    260,735,114.70x = 34,502,121,990,651,312
  5. Step 5: Solve for x
    x = 34,502,121,990,651,312/260,735,114.70
  6. Step 6: Final answer
    x = 132,326,334.45

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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.