Home / 217,752,486.80-326,628,730.20-197,597,094.80

Finding the Fourth Proportional to 217,752,486.80, 326,628,730.20 and 197,597,094.80

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Solution

The fourth proportional to 217,752,486.80, 326,628,730.20 and 197,597,094.80 is: 296,395,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,752,486.80 : 326,628,730.20 = 197,597,094.80 : x
  2. Step 2: Convert to fraction form
    217,752,486.80/326,628,730.20 = 197,597,094.80/x
  3. Step 3: Cross multiply
    217,752,486.80x = 326,628,730.20 × 197,597,094.80
  4. Step 4: Simplify right side
    217,752,486.80x = 64,540,888,165,733,024
  5. Step 5: Solve for x
    x = 64,540,888,165,733,024/217,752,486.80
  6. Step 6: Final answer
    x = 296,395,642.20

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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.