Home / 327,333,221.42-491,091,948.56-143,116,875.14

Finding the Fourth Proportional to 327,333,221.42, 491,091,948.56 and 143,116,875.14

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Solution

The fourth proportional to 327,333,221.42, 491,091,948.56 and 143,116,875.14 is: 214,715,587.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,333,221.42 : 491,091,948.56 = 143,116,875.14 : x
  2. Step 2: Convert to fraction form
    327,333,221.42/491,091,948.56 = 143,116,875.14/x
  3. Step 3: Cross multiply
    327,333,221.42x = 491,091,948.56 × 143,116,875.14
  4. Step 4: Simplify right side
    327,333,221.42x = 70,283,545,082,223,152
  5. Step 5: Solve for x
    x = 70,283,545,082,223,152/327,333,221.42
  6. Step 6: Final answer
    x = 214,715,587.92

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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.