Home / 57,756,301.20-86,634,451.80-39,616,448.40

Finding the Fourth Proportional to 57,756,301.20, 86,634,451.80 and 39,616,448.40

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Solution

The fourth proportional to 57,756,301.20, 86,634,451.80 and 39,616,448.40 is: 59,424,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,756,301.20 : 86,634,451.80 = 39,616,448.40 : x
  2. Step 2: Convert to fraction form
    57,756,301.20/86,634,451.80 = 39,616,448.40/x
  3. Step 3: Cross multiply
    57,756,301.20x = 86,634,451.80 × 39,616,448.40
  4. Step 4: Simplify right side
    57,756,301.20x = 3,432,149,289,396,987
  5. Step 5: Solve for x
    x = 3,432,149,289,396,987/57,756,301.20
  6. Step 6: Final answer
    x = 59,424,672.60

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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.