Home / 83,749,722.40-125,628,520.20-26,243,869.60

Finding the Fourth Proportional to 83,749,722.40, 125,628,520.20 and 26,243,869.60

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Solution

The fourth proportional to 83,749,722.40, 125,628,520.20 and 26,243,869.60 is: 39,367,037.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,749,722.40 : 125,628,520.20 = 26,243,869.60 : x
  2. Step 2: Convert to fraction form
    83,749,722.40/125,628,520.20 = 26,243,869.60/x
  3. Step 3: Cross multiply
    83,749,722.40x = 125,628,520.20 × 26,243,869.60
  4. Step 4: Simplify right side
    83,749,722.40x = 3,296,978,502,169,766
  5. Step 5: Solve for x
    x = 3,296,978,502,169,766/83,749,722.40
  6. Step 6: Final answer
    x = 39,367,037.98

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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.