Home / 214,496,537.50-321,696,923.37-99,466,132.78

Finding the Fourth Proportional to 214,496,537.50, 321,696,923.37 and 99,466,132.78

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Solution

The fourth proportional to 214,496,537.50, 321,696,923.37 and 99,466,132.78 is: 149,176,994.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,496,537.50 : 321,696,923.37 = 99,466,132.78 : x
  2. Step 2: Convert to fraction form
    214,496,537.50/321,696,923.37 = 99,466,132.78/x
  3. Step 3: Cross multiply
    214,496,537.50x = 321,696,923.37 × 99,466,132.78
  4. Step 4: Simplify right side
    214,496,537.50x = 31,997,948,894,837,904
  5. Step 5: Solve for x
    x = 31,997,948,894,837,904/214,496,537.50
  6. Step 6: Final answer
    x = 149,176,994.97

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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.