Home / 129,784,028.78-179,101,945.25-70,245,314.73

Finding the Fourth Proportional to 129,784,028.78, 179,101,945.25 and 70,245,314.73

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Solution

The fourth proportional to 129,784,028.78, 179,101,945.25 and 70,245,314.73 is: 96,938,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,784,028.78 : 179,101,945.25 = 70,245,314.73 : x
  2. Step 2: Convert to fraction form
    129,784,028.78/179,101,945.25 = 70,245,314.73/x
  3. Step 3: Cross multiply
    129,784,028.78x = 179,101,945.25 × 70,245,314.73
  4. Step 4: Simplify right side
    129,784,028.78x = 12,581,072,512,490,254
  5. Step 5: Solve for x
    x = 12,581,072,512,490,254/129,784,028.78
  6. Step 6: Final answer
    x = 96,938,526.50

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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.