Home / 73,811,912.40-110,717,868.60-43,074,939.60

Finding the Fourth Proportional to 73,811,912.40, 110,717,868.60 and 43,074,939.60

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Solution

The fourth proportional to 73,811,912.40, 110,717,868.60 and 43,074,939.60 is: 64,612,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,811,912.40 : 110,717,868.60 = 43,074,939.60 : x
  2. Step 2: Convert to fraction form
    73,811,912.40/110,717,868.60 = 43,074,939.60/x
  3. Step 3: Cross multiply
    73,811,912.40x = 110,717,868.60 × 43,074,939.60
  4. Step 4: Simplify right side
    73,811,912.40x = 4,769,165,502,585,736
  5. Step 5: Solve for x
    x = 4,769,165,502,585,736/73,811,912.40
  6. Step 6: Final answer
    x = 64,612,409.40

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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.