Home / 83,595,245.60-125,343,193.59-31,783,640.81

Finding the Fourth Proportional to 83,595,245.60, 125,343,193.59 and 31,783,640.81

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Solution

The fourth proportional to 83,595,245.60, 125,343,193.59 and 31,783,640.81 is: 47,656,574.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,595,245.60 : 125,343,193.59 = 31,783,640.81 : x
  2. Step 2: Convert to fraction form
    83,595,245.60/125,343,193.59 = 31,783,640.81/x
  3. Step 3: Cross multiply
    83,595,245.60x = 125,343,193.59 × 31,783,640.81
  4. Step 4: Simplify right side
    83,595,245.60x = 3,983,863,043,435,671.50
  5. Step 5: Solve for x
    x = 3,983,863,043,435,671.50/83,595,245.60
  6. Step 6: Final answer
    x = 47,656,574.43

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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.