Home / 53,367,816.16-73,647,649.26-28,921,530.16

Finding the Fourth Proportional to 53,367,816.16, 73,647,649.26 and 28,921,530.16

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Solution

The fourth proportional to 53,367,816.16, 73,647,649.26 and 28,921,530.16 is: 39,911,745.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,367,816.16 : 73,647,649.26 = 28,921,530.16 : x
  2. Step 2: Convert to fraction form
    53,367,816.16/73,647,649.26 = 28,921,530.16/x
  3. Step 3: Cross multiply
    53,367,816.16x = 73,647,649.26 × 28,921,530.16
  4. Step 4: Simplify right side
    53,367,816.16x = 2,130,002,709,286,191.75
  5. Step 5: Solve for x
    x = 2,130,002,709,286,191.75/53,367,816.16
  6. Step 6: Final answer
    x = 39,911,745.74

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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.