Home / 66,192,816.80-99,289,225.20-18,323,760.80

Finding the Fourth Proportional to 66,192,816.80, 99,289,225.20 and 18,323,760.80

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Solution

The fourth proportional to 66,192,816.80, 99,289,225.20 and 18,323,760.80 is: 27,485,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,192,816.80 : 99,289,225.20 = 18,323,760.80 : x
  2. Step 2: Convert to fraction form
    66,192,816.80/99,289,225.20 = 18,323,760.80/x
  3. Step 3: Cross multiply
    66,192,816.80x = 99,289,225.20 × 18,323,760.80
  4. Step 4: Simplify right side
    66,192,816.80x = 1,819,352,012,582,132.25
  5. Step 5: Solve for x
    x = 1,819,352,012,582,132.25/66,192,816.80
  6. Step 6: Final answer
    x = 27,485,641.20

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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.