Home / 112,786,939.84-169,147,589.05-43,684,330.91

Finding the Fourth Proportional to 112,786,939.84, 169,147,589.05 and 43,684,330.91

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Solution

The fourth proportional to 112,786,939.84, 169,147,589.05 and 43,684,330.91 is: 65,513,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,786,939.84 : 169,147,589.05 = 43,684,330.91 : x
  2. Step 2: Convert to fraction form
    112,786,939.84/169,147,589.05 = 43,684,330.91/x
  3. Step 3: Cross multiply
    112,786,939.84x = 169,147,589.05 × 43,684,330.91
  4. Step 4: Simplify right side
    112,786,939.84x = 7,389,099,253,002,552
  5. Step 5: Solve for x
    x = 7,389,099,253,002,552/112,786,939.84
  6. Step 6: Final answer
    x = 65,513,784.34

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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.