Home / 65,072,811.71-89,802,132.80-35,704,136.48

Finding the Fourth Proportional to 65,072,811.71, 89,802,132.80 and 35,704,136.48

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Solution

The fourth proportional to 65,072,811.71, 89,802,132.80 and 35,704,136.48 is: 49,272,615.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,072,811.71 : 89,802,132.80 = 35,704,136.48 : x
  2. Step 2: Convert to fraction form
    65,072,811.71/89,802,132.80 = 35,704,136.48/x
  3. Step 3: Cross multiply
    65,072,811.71x = 89,802,132.80 × 35,704,136.48
  4. Step 4: Simplify right side
    65,072,811.71x = 3,206,307,605,058,753.50
  5. Step 5: Solve for x
    x = 3,206,307,605,058,753.50/65,072,811.71
  6. Step 6: Final answer
    x = 49,272,615.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.