Home / 53,754,619.20-80,631,928.80-19,700,404.80

Finding the Fourth Proportional to 53,754,619.20, 80,631,928.80 and 19,700,404.80

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Solution

The fourth proportional to 53,754,619.20, 80,631,928.80 and 19,700,404.80 is: 29,550,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,754,619.20 : 80,631,928.80 = 19,700,404.80 : x
  2. Step 2: Convert to fraction form
    53,754,619.20/80,631,928.80 = 19,700,404.80/x
  3. Step 3: Cross multiply
    53,754,619.20x = 80,631,928.80 × 19,700,404.80
  4. Step 4: Simplify right side
    53,754,619.20x = 1,588,481,637,164,778.25
  5. Step 5: Solve for x
    x = 1,588,481,637,164,778.25/53,754,619.20
  6. Step 6: Final answer
    x = 29,550,607.20

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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.