Home / 52,625,969.80-78,932,924.52-13,768,173.02

Finding the Fourth Proportional to 52,625,969.80, 78,932,924.52 and 13,768,173.02

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Solution

The fourth proportional to 52,625,969.80, 78,932,924.52 and 13,768,173.02 is: 20,650,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,625,969.80 : 78,932,924.52 = 13,768,173.02 : x
  2. Step 2: Convert to fraction form
    52,625,969.80/78,932,924.52 = 13,768,173.02/x
  3. Step 3: Cross multiply
    52,625,969.80x = 78,932,924.52 × 13,768,173.02
  4. Step 4: Simplify right side
    52,625,969.80x = 1,086,762,161,765,960.38
  5. Step 5: Solve for x
    x = 1,086,762,161,765,960.38/52,625,969.80
  6. Step 6: Final answer
    x = 20,650,681.90

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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.