Home / 216,189,214.06-324,216,752.28-77,996,855.56

Finding the Fourth Proportional to 216,189,214.06, 324,216,752.28 and 77,996,855.56

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Solution

The fourth proportional to 216,189,214.06, 324,216,752.28 and 77,996,855.56 is: 116,971,086.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,189,214.06 : 324,216,752.28 = 77,996,855.56 : x
  2. Step 2: Convert to fraction form
    216,189,214.06/324,216,752.28 = 77,996,855.56/x
  3. Step 3: Cross multiply
    216,189,214.06x = 324,216,752.28 × 77,996,855.56
  4. Step 4: Simplify right side
    216,189,214.06x = 25,287,887,197,715,460
  5. Step 5: Solve for x
    x = 25,287,887,197,715,460/216,189,214.06
  6. Step 6: Final answer
    x = 116,971,086.22

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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.