Home / 100,438,580.64-150,704,205.12-45,867,894.96

Finding the Fourth Proportional to 100,438,580.64, 150,704,205.12 and 45,867,894.96

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Solution

The fourth proportional to 100,438,580.64, 150,704,205.12 and 45,867,894.96 is: 68,823,002.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,438,580.64 : 150,704,205.12 = 45,867,894.96 : x
  2. Step 2: Convert to fraction form
    100,438,580.64/150,704,205.12 = 45,867,894.96/x
  3. Step 3: Cross multiply
    100,438,580.64x = 150,704,205.12 × 45,867,894.96
  4. Step 4: Simplify right side
    100,438,580.64x = 6,912,484,650,474,455
  5. Step 5: Solve for x
    x = 6,912,484,650,474,455/100,438,580.64
  6. Step 6: Final answer
    x = 68,823,002.14

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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.