Home / 66,404,477.20-99,606,715.80-52,967,549.20

Finding the Fourth Proportional to 66,404,477.20, 99,606,715.80 and 52,967,549.20

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Solution

The fourth proportional to 66,404,477.20, 99,606,715.80 and 52,967,549.20 is: 79,451,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,404,477.20 : 99,606,715.80 = 52,967,549.20 : x
  2. Step 2: Convert to fraction form
    66,404,477.20/99,606,715.80 = 52,967,549.20/x
  3. Step 3: Cross multiply
    66,404,477.20x = 99,606,715.80 × 52,967,549.20
  4. Step 4: Simplify right side
    66,404,477.20x = 5,275,923,619,786,917
  5. Step 5: Solve for x
    x = 5,275,923,619,786,917/66,404,477.20
  6. Step 6: Final answer
    x = 79,451,323.80

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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.