Home / 55,163,445.94-76,126,068.84-30,384,512.38

Finding the Fourth Proportional to 55,163,445.94, 76,126,068.84 and 30,384,512.38

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Solution

The fourth proportional to 55,163,445.94, 76,126,068.84 and 30,384,512.38 is: 41,930,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,163,445.94 : 76,126,068.84 = 30,384,512.38 : x
  2. Step 2: Convert to fraction form
    55,163,445.94/76,126,068.84 = 30,384,512.38/x
  3. Step 3: Cross multiply
    55,163,445.94x = 76,126,068.84 × 30,384,512.38
  4. Step 4: Simplify right side
    55,163,445.94x = 2,313,053,481,109,712.50
  5. Step 5: Solve for x
    x = 2,313,053,481,109,712.50/55,163,445.94
  6. Step 6: Final answer
    x = 41,930,909.89

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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.