Home / 55,313,135.70-82,969,703.55-52,478,783.70

Finding the Fourth Proportional to 55,313,135.70, 82,969,703.55 and 52,478,783.70

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Solution

The fourth proportional to 55,313,135.70, 82,969,703.55 and 52,478,783.70 is: 78,718,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,313,135.70 : 82,969,703.55 = 52,478,783.70 : x
  2. Step 2: Convert to fraction form
    55,313,135.70/82,969,703.55 = 52,478,783.70/x
  3. Step 3: Cross multiply
    55,313,135.70x = 82,969,703.55 × 52,478,783.70
  4. Step 4: Simplify right side
    55,313,135.70x = 4,354,149,126,253,572
  5. Step 5: Solve for x
    x = 4,354,149,126,253,572/55,313,135.70
  6. Step 6: Final answer
    x = 78,718,175.55

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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.