Home / 216,290,968.74-298,877,467.10-157,451,481.97

Finding the Fourth Proportional to 216,290,968.74, 298,877,467.10 and 157,451,481.97

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Solution

The fourth proportional to 216,290,968.74, 298,877,467.10 and 157,451,481.97 is: 217,571,267.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,290,968.74 : 298,877,467.10 = 157,451,481.97 : x
  2. Step 2: Convert to fraction form
    216,290,968.74/298,877,467.10 = 157,451,481.97/x
  3. Step 3: Cross multiply
    216,290,968.74x = 298,877,467.10 × 157,451,481.97
  4. Step 4: Simplify right side
    216,290,968.74x = 47,058,700,122,334,920
  5. Step 5: Solve for x
    x = 47,058,700,122,334,920/216,290,968.74
  6. Step 6: Final answer
    x = 217,571,267.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.