Home / 189,612,839.16-284,419,258.74-53,298,222.66

Finding the Fourth Proportional to 189,612,839.16, 284,419,258.74 and 53,298,222.66

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Solution

The fourth proportional to 189,612,839.16, 284,419,258.74 and 53,298,222.66 is: 79,947,333.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,612,839.16 : 284,419,258.74 = 53,298,222.66 : x
  2. Step 2: Convert to fraction form
    189,612,839.16/284,419,258.74 = 53,298,222.66/x
  3. Step 3: Cross multiply
    189,612,839.16x = 284,419,258.74 × 53,298,222.66
  4. Step 4: Simplify right side
    189,612,839.16x = 15,159,040,981,116,670
  5. Step 5: Solve for x
    x = 15,159,040,981,116,670/189,612,839.16
  6. Step 6: Final answer
    x = 79,947,333.99

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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.