Home / 71,986,077.90-107,979,116.85-46,158,045.30

Finding the Fourth Proportional to 71,986,077.90, 107,979,116.85 and 46,158,045.30

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Solution

The fourth proportional to 71,986,077.90, 107,979,116.85 and 46,158,045.30 is: 69,237,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,986,077.90 : 107,979,116.85 = 46,158,045.30 : x
  2. Step 2: Convert to fraction form
    71,986,077.90/107,979,116.85 = 46,158,045.30/x
  3. Step 3: Cross multiply
    71,986,077.90x = 107,979,116.85 × 46,158,045.30
  4. Step 4: Simplify right side
    71,986,077.90x = 4,984,104,967,016,293
  5. Step 5: Solve for x
    x = 4,984,104,967,016,293/71,986,077.90
  6. Step 6: Final answer
    x = 69,237,067.95

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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.