Home / 161,860,573.78-242,870,571.96-75,586,441.84

Finding the Fourth Proportional to 161,860,573.78, 242,870,571.96 and 75,586,441.84

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Solution

The fourth proportional to 161,860,573.78, 242,870,571.96 and 75,586,441.84 is: 113,416,886.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,860,573.78 : 242,870,571.96 = 75,586,441.84 : x
  2. Step 2: Convert to fraction form
    161,860,573.78/242,870,571.96 = 75,586,441.84/x
  3. Step 3: Cross multiply
    161,860,573.78x = 242,870,571.96 × 75,586,441.84
  4. Step 4: Simplify right side
    161,860,573.78x = 18,357,722,362,102,076
  5. Step 5: Solve for x
    x = 18,357,722,362,102,076/161,860,573.78
  6. Step 6: Final answer
    x = 113,416,886.73

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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.