Home / 74,069,115.74-111,103,356.28-18,737,474.46

Finding the Fourth Proportional to 74,069,115.74, 111,103,356.28 and 18,737,474.46

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Solution

The fourth proportional to 74,069,115.74, 111,103,356.28 and 18,737,474.46 is: 28,106,131.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,069,115.74 : 111,103,356.28 = 18,737,474.46 : x
  2. Step 2: Convert to fraction form
    74,069,115.74/111,103,356.28 = 18,737,474.46/x
  3. Step 3: Cross multiply
    74,069,115.74x = 111,103,356.28 × 18,737,474.46
  4. Step 4: Simplify right side
    74,069,115.74x = 2,081,796,300,716,780.75
  5. Step 5: Solve for x
    x = 2,081,796,300,716,780.75/74,069,115.74
  6. Step 6: Final answer
    x = 28,106,131.41

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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.