Home / 52,256,105.66-72,118,016.94-28,738,782.69

Finding the Fourth Proportional to 52,256,105.66, 72,118,016.94 and 28,738,782.69

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Solution

The fourth proportional to 52,256,105.66, 72,118,016.94 and 28,738,782.69 is: 39,662,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,256,105.66 : 72,118,016.94 = 28,738,782.69 : x
  2. Step 2: Convert to fraction form
    52,256,105.66/72,118,016.94 = 28,738,782.69/x
  3. Step 3: Cross multiply
    52,256,105.66x = 72,118,016.94 × 28,738,782.69
  4. Step 4: Simplify right side
    52,256,105.66x = 2,072,584,016,872,398.75
  5. Step 5: Solve for x
    x = 2,072,584,016,872,398.75/52,256,105.66
  6. Step 6: Final answer
    x = 39,662,045.05

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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.