Home / 217,610,064.40-326,303,122.20-81,225,245.20

Finding the Fourth Proportional to 217,610,064.40, 326,303,122.20 and 81,225,245.20

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Solution

The fourth proportional to 217,610,064.40, 326,303,122.20 and 81,225,245.20 is: 121,796,072.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,610,064.40 : 326,303,122.20 = 81,225,245.20 : x
  2. Step 2: Convert to fraction form
    217,610,064.40/326,303,122.20 = 81,225,245.20/x
  3. Step 3: Cross multiply
    217,610,064.40x = 326,303,122.20 × 81,225,245.20
  4. Step 4: Simplify right side
    217,610,064.40x = 26,504,051,110,220,564
  5. Step 5: Solve for x
    x = 26,504,051,110,220,564/217,610,064.40
  6. Step 6: Final answer
    x = 121,796,072.18

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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.