Home / 260,777,795.60-391,166,693.40-168,944,790.80

Finding the Fourth Proportional to 260,777,795.60, 391,166,693.40 and 168,944,790.80

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Solution

The fourth proportional to 260,777,795.60, 391,166,693.40 and 168,944,790.80 is: 253,417,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,777,795.60 : 391,166,693.40 = 168,944,790.80 : x
  2. Step 2: Convert to fraction form
    260,777,795.60/391,166,693.40 = 168,944,790.80/x
  3. Step 3: Cross multiply
    260,777,795.60x = 391,166,693.40 × 168,944,790.80
  4. Step 4: Simplify right side
    260,777,795.60x = 66,085,575,184,390,744
  5. Step 5: Solve for x
    x = 66,085,575,184,390,744/260,777,795.60
  6. Step 6: Final answer
    x = 253,417,186.20

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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.