Home / 79,067,630.90-109,036,675.62-61,657,623.74

Finding the Fourth Proportional to 79,067,630.90, 109,036,675.62 and 61,657,623.74

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Solution

The fourth proportional to 79,067,630.90, 109,036,675.62 and 61,657,623.74 is: 85,027,744.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,067,630.90 : 109,036,675.62 = 61,657,623.74 : x
  2. Step 2: Convert to fraction form
    79,067,630.90/109,036,675.62 = 61,657,623.74/x
  3. Step 3: Cross multiply
    79,067,630.90x = 109,036,675.62 × 61,657,623.74
  4. Step 4: Simplify right side
    79,067,630.90x = 6,722,942,319,238,392
  5. Step 5: Solve for x
    x = 6,722,942,319,238,392/79,067,630.90
  6. Step 6: Final answer
    x = 85,027,744.51

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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.