Home / 73,212,236.88-101,039,278.24-40,178,860.80

Finding the Fourth Proportional to 73,212,236.88, 101,039,278.24 and 40,178,860.80

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Solution

The fourth proportional to 73,212,236.88, 101,039,278.24 and 40,178,860.80 is: 55,450,335.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,212,236.88 : 101,039,278.24 = 40,178,860.80 : x
  2. Step 2: Convert to fraction form
    73,212,236.88/101,039,278.24 = 40,178,860.80/x
  3. Step 3: Cross multiply
    73,212,236.88x = 101,039,278.24 × 40,178,860.80
  4. Step 4: Simplify right side
    73,212,236.88x = 4,059,643,095,737,428.50
  5. Step 5: Solve for x
    x = 4,059,643,095,737,428.50/73,212,236.88
  6. Step 6: Final answer
    x = 55,450,335.47

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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.