Home / 264,042,645.70-396,063,968.55-69,984,012.10

Finding the Fourth Proportional to 264,042,645.70, 396,063,968.55 and 69,984,012.10

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Solution

The fourth proportional to 264,042,645.70, 396,063,968.55 and 69,984,012.10 is: 104,976,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,042,645.70 : 396,063,968.55 = 69,984,012.10 : x
  2. Step 2: Convert to fraction form
    264,042,645.70/396,063,968.55 = 69,984,012.10/x
  3. Step 3: Cross multiply
    264,042,645.70x = 396,063,968.55 × 69,984,012.10
  4. Step 4: Simplify right side
    264,042,645.70x = 27,718,145,567,377,216
  5. Step 5: Solve for x
    x = 27,718,145,567,377,216/264,042,645.70
  6. Step 6: Final answer
    x = 104,976,018.15

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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.