Home / 260,991,159.67-391,242,145.42-88,347,163.51

Finding the Fourth Proportional to 260,991,159.67, 391,242,145.42 and 88,347,163.51

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Solution

The fourth proportional to 260,991,159.67, 391,242,145.42 and 88,347,163.51 is: 132,437,948.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,991,159.67 : 391,242,145.42 = 88,347,163.51 : x
  2. Step 2: Convert to fraction form
    260,991,159.67/391,242,145.42 = 88,347,163.51/x
  3. Step 3: Cross multiply
    260,991,159.67x = 391,242,145.42 × 88,347,163.51
  4. Step 4: Simplify right side
    260,991,159.67x = 34,565,133,793,423,940
  5. Step 5: Solve for x
    x = 34,565,133,793,423,940/260,991,159.67
  6. Step 6: Final answer
    x = 132,437,948.62

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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.