Home / 100,829,618.20-151,244,427.30-99,873,024.40

Finding the Fourth Proportional to 100,829,618.20, 151,244,427.30 and 99,873,024.40

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Solution

The fourth proportional to 100,829,618.20, 151,244,427.30 and 99,873,024.40 is: 149,809,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,829,618.20 : 151,244,427.30 = 99,873,024.40 : x
  2. Step 2: Convert to fraction form
    100,829,618.20/151,244,427.30 = 99,873,024.40/x
  3. Step 3: Cross multiply
    100,829,618.20x = 151,244,427.30 × 99,873,024.40
  4. Step 4: Simplify right side
    100,829,618.20x = 15,105,238,378,096,928
  5. Step 5: Solve for x
    x = 15,105,238,378,096,928/100,829,618.20
  6. Step 6: Final answer
    x = 149,809,536.60

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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.