Home / 154,136,331.76-231,401,799.60-132,415,674.16

Finding the Fourth Proportional to 154,136,331.76, 231,401,799.60 and 132,415,674.16

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Solution

The fourth proportional to 154,136,331.76, 231,401,799.60 and 132,415,674.16 is: 198,793,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,136,331.76 : 231,401,799.60 = 132,415,674.16 : x
  2. Step 2: Convert to fraction form
    154,136,331.76/231,401,799.60 = 132,415,674.16/x
  3. Step 3: Cross multiply
    154,136,331.76x = 231,401,799.60 × 132,415,674.16
  4. Step 4: Simplify right side
    154,136,331.76x = 30,641,225,295,871,216
  5. Step 5: Solve for x
    x = 30,641,225,295,871,216/154,136,331.76
  6. Step 6: Final answer
    x = 198,793,009.71

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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.