Home / 203,005,459.07-280,140,031.92-110,183,974.01

Finding the Fourth Proportional to 203,005,459.07, 280,140,031.92 and 110,183,974.01

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Solution

The fourth proportional to 203,005,459.07, 280,140,031.92 and 110,183,974.01 is: 152,049,812.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,005,459.07 : 280,140,031.92 = 110,183,974.01 : x
  2. Step 2: Convert to fraction form
    203,005,459.07/280,140,031.92 = 110,183,974.01/x
  3. Step 3: Cross multiply
    203,005,459.07x = 280,140,031.92 × 110,183,974.01
  4. Step 4: Simplify right side
    203,005,459.07x = 30,866,941,996,233,852
  5. Step 5: Solve for x
    x = 30,866,941,996,233,852/203,005,459.07
  6. Step 6: Final answer
    x = 152,049,812.54

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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.