Home / 220,532,207.09-304,322,892.55-121,393,590.30

Finding the Fourth Proportional to 220,532,207.09, 304,322,892.55 and 121,393,590.30

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Solution

The fourth proportional to 220,532,207.09, 304,322,892.55 and 121,393,590.30 is: 167,516,795.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,532,207.09 : 304,322,892.55 = 121,393,590.30 : x
  2. Step 2: Convert to fraction form
    220,532,207.09/304,322,892.55 = 121,393,590.30/x
  3. Step 3: Cross multiply
    220,532,207.09x = 304,322,892.55 × 121,393,590.30
  4. Step 4: Simplify right side
    220,532,207.09x = 36,942,848,536,822,136
  5. Step 5: Solve for x
    x = 36,942,848,536,822,136/220,532,207.09
  6. Step 6: Final answer
    x = 167,516,795.05

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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.