Home / 213,932,526.84-320,805,343.62-75,712,195.08

Finding the Fourth Proportional to 213,932,526.84, 320,805,343.62 and 75,712,195.08

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Solution

The fourth proportional to 213,932,526.84, 320,805,343.62 and 75,712,195.08 is: 113,535,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,932,526.84 : 320,805,343.62 = 75,712,195.08 : x
  2. Step 2: Convert to fraction form
    213,932,526.84/320,805,343.62 = 75,712,195.08/x
  3. Step 3: Cross multiply
    213,932,526.84x = 320,805,343.62 × 75,712,195.08
  4. Step 4: Simplify right side
    213,932,526.84x = 24,288,876,758,863,872
  5. Step 5: Solve for x
    x = 24,288,876,758,863,872/213,932,526.84
  6. Step 6: Final answer
    x = 113,535,221.21

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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.