Home / 43,126,646.40-64,689,969.60-39,599,452.80

Finding the Fourth Proportional to 43,126,646.40, 64,689,969.60 and 39,599,452.80

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Solution

The fourth proportional to 43,126,646.40, 64,689,969.60 and 39,599,452.80 is: 59,399,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,126,646.40 : 64,689,969.60 = 39,599,452.80 : x
  2. Step 2: Convert to fraction form
    43,126,646.40/64,689,969.60 = 39,599,452.80/x
  3. Step 3: Cross multiply
    43,126,646.40x = 64,689,969.60 × 39,599,452.80
  4. Step 4: Simplify right side
    43,126,646.40x = 2,561,687,397,808,634.50
  5. Step 5: Solve for x
    x = 2,561,687,397,808,634.50/43,126,646.40
  6. Step 6: Final answer
    x = 59,399,179.20

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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.