Home / 65,987,616.40-91,063,901.34-36,620,851.48

Finding the Fourth Proportional to 65,987,616.40, 91,063,901.34 and 36,620,851.48

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Solution

The fourth proportional to 65,987,616.40, 91,063,901.34 and 36,620,851.48 is: 50,537,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,987,616.40 : 91,063,901.34 = 36,620,851.48 : x
  2. Step 2: Convert to fraction form
    65,987,616.40/91,063,901.34 = 36,620,851.48/x
  3. Step 3: Cross multiply
    65,987,616.40x = 91,063,901.34 × 36,620,851.48
  4. Step 4: Simplify right side
    65,987,616.40x = 3,334,837,606,161,513
  5. Step 5: Solve for x
    x = 3,334,837,606,161,513/65,987,616.40
  6. Step 6: Final answer
    x = 50,537,324.85

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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.