Home / 43,822,659.60-65,733,989.40-42,148,620.45

Finding the Fourth Proportional to 43,822,659.60, 65,733,989.40 and 42,148,620.45

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Solution

The fourth proportional to 43,822,659.60, 65,733,989.40 and 42,148,620.45 is: 63,222,930.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,822,659.60 : 65,733,989.40 = 42,148,620.45 : x
  2. Step 2: Convert to fraction form
    43,822,659.60/65,733,989.40 = 42,148,620.45/x
  3. Step 3: Cross multiply
    43,822,659.60x = 65,733,989.40 × 42,148,620.45
  4. Step 4: Simplify right side
    43,822,659.60x = 2,770,596,969,884,923.50
  5. Step 5: Solve for x
    x = 2,770,596,969,884,923.50/43,822,659.60
  6. Step 6: Final answer
    x = 63,222,930.68

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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.