Home / 201,900,748.52-278,623,230.18-109,081,330.22

Finding the Fourth Proportional to 201,900,748.52, 278,623,230.18 and 109,081,330.22

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Solution

The fourth proportional to 201,900,748.52, 278,623,230.18 and 109,081,330.22 is: 150,532,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,900,748.52 : 278,623,230.18 = 109,081,330.22 : x
  2. Step 2: Convert to fraction form
    201,900,748.52/278,623,230.18 = 109,081,330.22/x
  3. Step 3: Cross multiply
    201,900,748.52x = 278,623,230.18 × 109,081,330.22
  4. Step 4: Simplify right side
    201,900,748.52x = 30,392,592,578,227,652
  5. Step 5: Solve for x
    x = 30,392,592,578,227,652/201,900,748.52
  6. Step 6: Final answer
    x = 150,532,342.26

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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.