Home / 66,965,356.80-100,448,108.10-26,575,840.80

Finding the Fourth Proportional to 66,965,356.80, 100,448,108.10 and 26,575,840.80

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Solution

The fourth proportional to 66,965,356.80, 100,448,108.10 and 26,575,840.80 is: 39,863,790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,965,356.80 : 100,448,108.10 = 26,575,840.80 : x
  2. Step 2: Convert to fraction form
    66,965,356.80/100,448,108.10 = 26,575,840.80/x
  3. Step 3: Cross multiply
    66,965,356.80x = 100,448,108.10 × 26,575,840.80
  4. Step 4: Simplify right side
    66,965,356.80x = 2,669,492,929,526,790.50
  5. Step 5: Solve for x
    x = 2,669,492,929,526,790.50/66,965,356.80
  6. Step 6: Final answer
    x = 39,863,790.13

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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.