Home / 67,878,633.28-101,818,466.16-19,356,445.48

Finding the Fourth Proportional to 67,878,633.28, 101,818,466.16 and 19,356,445.48

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Solution

The fourth proportional to 67,878,633.28, 101,818,466.16 and 19,356,445.48 is: 29,034,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,878,633.28 : 101,818,466.16 = 19,356,445.48 : x
  2. Step 2: Convert to fraction form
    67,878,633.28/101,818,466.16 = 19,356,445.48/x
  3. Step 3: Cross multiply
    67,878,633.28x = 101,818,466.16 × 19,356,445.48
  4. Step 4: Simplify right side
    67,878,633.28x = 1,970,843,589,083,265
  5. Step 5: Solve for x
    x = 1,970,843,589,083,265/67,878,633.28
  6. Step 6: Final answer
    x = 29,034,815.43

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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.