Home / 72,500,231.40-108,655,868.70-29,334,100.20

Finding the Fourth Proportional to 72,500,231.40, 108,655,868.70 and 29,334,100.20

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Solution

The fourth proportional to 72,500,231.40, 108,655,868.70 and 29,334,100.20 is: 43,962,923.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,500,231.40 : 108,655,868.70 = 29,334,100.20 : x
  2. Step 2: Convert to fraction form
    72,500,231.40/108,655,868.70 = 29,334,100.20/x
  3. Step 3: Cross multiply
    72,500,231.40x = 108,655,868.70 × 29,334,100.20
  4. Step 4: Simplify right side
    72,500,231.40x = 3,187,322,139,763,843.50
  5. Step 5: Solve for x
    x = 3,187,322,139,763,843.50/72,500,231.40
  6. Step 6: Final answer
    x = 43,962,923.68

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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.