Home / 65,855,940.71-90,880,017.80-36,486,682.47

Finding the Fourth Proportional to 65,855,940.71, 90,880,017.80 and 36,486,682.47

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Solution

The fourth proportional to 65,855,940.71, 90,880,017.80 and 36,486,682.47 is: 50,350,967.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,855,940.71 : 90,880,017.80 = 36,486,682.47 : x
  2. Step 2: Convert to fraction form
    65,855,940.71/90,880,017.80 = 36,486,682.47/x
  3. Step 3: Cross multiply
    65,855,940.71x = 90,880,017.80 × 36,486,682.47
  4. Step 4: Simplify right side
    65,855,940.71x = 3,315,910,352,154,114.50
  5. Step 5: Solve for x
    x = 3,315,910,352,154,114.50/65,855,940.71
  6. Step 6: Final answer
    x = 50,350,967.83

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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.