Home / 66,962,699.24-100,448,920.45-28,062,103.78

Finding the Fourth Proportional to 66,962,699.24, 100,448,920.45 and 28,062,103.78

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Solution

The fourth proportional to 66,962,699.24, 100,448,920.45 and 28,062,103.78 is: 42,095,197.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,962,699.24 : 100,448,920.45 = 28,062,103.78 : x
  2. Step 2: Convert to fraction form
    66,962,699.24/100,448,920.45 = 28,062,103.78/x
  3. Step 3: Cross multiply
    66,962,699.24x = 100,448,920.45 × 28,062,103.78
  4. Step 4: Simplify right side
    66,962,699.24x = 2,818,808,030,256,864.50
  5. Step 5: Solve for x
    x = 2,818,808,030,256,864.50/66,962,699.24
  6. Step 6: Final answer
    x = 42,095,197.21

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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.