Home / 52,069,811.29-71,856,338.03-28,864,879.45

Finding the Fourth Proportional to 52,069,811.29, 71,856,338.03 and 28,864,879.45

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Solution

The fourth proportional to 52,069,811.29, 71,856,338.03 and 28,864,879.45 is: 39,833,532.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,069,811.29 : 71,856,338.03 = 28,864,879.45 : x
  2. Step 2: Convert to fraction form
    52,069,811.29/71,856,338.03 = 28,864,879.45/x
  3. Step 3: Cross multiply
    52,069,811.29x = 71,856,338.03 × 28,864,879.45
  4. Step 4: Simplify right side
    52,069,811.29x = 2,074,124,534,810,076.25
  5. Step 5: Solve for x
    x = 2,074,124,534,810,076.25/52,069,811.29
  6. Step 6: Final answer
    x = 39,833,532.78

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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.