Home / 161,922,915.54-242,885,084.49-51,259,129.56

Finding the Fourth Proportional to 161,922,915.54, 242,885,084.49 and 51,259,129.56

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Solution

The fourth proportional to 161,922,915.54, 242,885,084.49 and 51,259,129.56 is: 76,888,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,922,915.54 : 242,885,084.49 = 51,259,129.56 : x
  2. Step 2: Convert to fraction form
    161,922,915.54/242,885,084.49 = 51,259,129.56/x
  3. Step 3: Cross multiply
    161,922,915.54x = 242,885,084.49 × 51,259,129.56
  4. Step 4: Simplify right side
    161,922,915.54x = 12,450,078,014,064,458
  5. Step 5: Solve for x
    x = 12,450,078,014,064,458/161,922,915.54
  6. Step 6: Final answer
    x = 76,888,919.47

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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.