Home / 77,375,986.61-106,734,519.65-48,352,222.13

Finding the Fourth Proportional to 77,375,986.61, 106,734,519.65 and 48,352,222.13

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Solution

The fourth proportional to 77,375,986.61, 106,734,519.65 and 48,352,222.13 is: 66,698,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,375,986.61 : 106,734,519.65 = 48,352,222.13 : x
  2. Step 2: Convert to fraction form
    77,375,986.61/106,734,519.65 = 48,352,222.13/x
  3. Step 3: Cross multiply
    77,375,986.61x = 106,734,519.65 × 48,352,222.13
  4. Step 4: Simplify right side
    77,375,986.61x = 5,160,851,202,642,858
  5. Step 5: Solve for x
    x = 5,160,851,202,642,858/77,375,986.61
  6. Step 6: Final answer
    x = 66,698,357.32

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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.