Home / 77,015,274.47-115,498,521.80-25,187,902.37

Finding the Fourth Proportional to 77,015,274.47, 115,498,521.80 and 25,187,902.37

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Solution

The fourth proportional to 77,015,274.47, 115,498,521.80 and 25,187,902.37 is: 37,773,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,015,274.47 : 115,498,521.80 = 25,187,902.37 : x
  2. Step 2: Convert to fraction form
    77,015,274.47/115,498,521.80 = 25,187,902.37/x
  3. Step 3: Cross multiply
    77,015,274.47x = 115,498,521.80 × 25,187,902.37
  4. Step 4: Simplify right side
    77,015,274.47x = 2,909,165,490,851,777.50
  5. Step 5: Solve for x
    x = 2,909,165,490,851,777.50/77,015,274.47
  6. Step 6: Final answer
    x = 37,773,876.82

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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.