Home / 216,272,115-298,449,352.76-126,962,623.08

Finding the Fourth Proportional to 216,272,115, 298,449,352.76 and 126,962,623.08

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Solution

The fourth proportional to 216,272,115, 298,449,352.76 and 126,962,623.08 is: 175,204,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,272,115 : 298,449,352.76 = 126,962,623.08 : x
  2. Step 2: Convert to fraction form
    216,272,115/298,449,352.76 = 126,962,623.08/x
  3. Step 3: Cross multiply
    216,272,115x = 298,449,352.76 × 126,962,623.08
  4. Step 4: Simplify right side
    216,272,115x = 37,891,912,682,303,024
  5. Step 5: Solve for x
    x = 37,891,912,682,303,024/216,272,115
  6. Step 6: Final answer
    x = 175,204,800.13

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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.