Home / 100,645,674.54-150,771,213.96-52,155,336.78

Finding the Fourth Proportional to 100,645,674.54, 150,771,213.96 and 52,155,336.78

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Solution

The fourth proportional to 100,645,674.54, 150,771,213.96 and 52,155,336.78 is: 78,130,763.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,645,674.54 : 150,771,213.96 = 52,155,336.78 : x
  2. Step 2: Convert to fraction form
    100,645,674.54/150,771,213.96 = 52,155,336.78/x
  3. Step 3: Cross multiply
    100,645,674.54x = 150,771,213.96 × 52,155,336.78
  4. Step 4: Simplify right side
    100,645,674.54x = 7,863,523,440,813,238
  5. Step 5: Solve for x
    x = 7,863,523,440,813,238/100,645,674.54
  6. Step 6: Final answer
    x = 78,130,763.96

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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.