Home / 260,429,006.12-359,392,538.75-154,603,644.69

Finding the Fourth Proportional to 260,429,006.12, 359,392,538.75 and 154,603,644.69

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Solution

The fourth proportional to 260,429,006.12, 359,392,538.75 and 154,603,644.69 is: 213,353,332.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,429,006.12 : 359,392,538.75 = 154,603,644.69 : x
  2. Step 2: Convert to fraction form
    260,429,006.12/359,392,538.75 = 154,603,644.69/x
  3. Step 3: Cross multiply
    260,429,006.12x = 359,392,538.75 × 154,603,644.69
  4. Step 4: Simplify right side
    260,429,006.12x = 55,563,396,365,528,568
  5. Step 5: Solve for x
    x = 55,563,396,365,528,568/260,429,006.12
  6. Step 6: Final answer
    x = 213,353,332.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.