Home / 217,567,555.32-326,351,332.98-71,961,994.20

Finding the Fourth Proportional to 217,567,555.32, 326,351,332.98 and 71,961,994.20

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Solution

The fourth proportional to 217,567,555.32, 326,351,332.98 and 71,961,994.20 is: 107,942,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,567,555.32 : 326,351,332.98 = 71,961,994.20 : x
  2. Step 2: Convert to fraction form
    217,567,555.32/326,351,332.98 = 71,961,994.20/x
  3. Step 3: Cross multiply
    217,567,555.32x = 326,351,332.98 × 71,961,994.20
  4. Step 4: Simplify right side
    217,567,555.32x = 23,484,892,731,069,032
  5. Step 5: Solve for x
    x = 23,484,892,731,069,032/217,567,555.32
  6. Step 6: Final answer
    x = 107,942,991.30

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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.