Home / 66,288,415.20-99,264,661.20-52,851,487.20

Finding the Fourth Proportional to 66,288,415.20, 99,264,661.20 and 52,851,487.20

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Solution

The fourth proportional to 66,288,415.20, 99,264,661.20 and 52,851,487.20 is: 79,143,315.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,288,415.20 : 99,264,661.20 = 52,851,487.20 : x
  2. Step 2: Convert to fraction form
    66,288,415.20/99,264,661.20 = 52,851,487.20/x
  3. Step 3: Cross multiply
    66,288,415.20x = 99,264,661.20 × 52,851,487.20
  4. Step 4: Simplify right side
    66,288,415.20x = 5,246,284,970,824,137
  5. Step 5: Solve for x
    x = 5,246,284,970,824,137/66,288,415.20
  6. Step 6: Final answer
    x = 79,143,315.69

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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.