Home / 131,914,578.40-197,871,867.60-99,177,812.80

Finding the Fourth Proportional to 131,914,578.40, 197,871,867.60 and 99,177,812.80

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Solution

The fourth proportional to 131,914,578.40, 197,871,867.60 and 99,177,812.80 is: 148,766,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,914,578.40 : 197,871,867.60 = 99,177,812.80 : x
  2. Step 2: Convert to fraction form
    131,914,578.40/197,871,867.60 = 99,177,812.80/x
  3. Step 3: Cross multiply
    131,914,578.40x = 197,871,867.60 × 99,177,812.80
  4. Step 4: Simplify right side
    131,914,578.40x = 19,624,499,043,219,184
  5. Step 5: Solve for x
    x = 19,624,499,043,219,184/131,914,578.40
  6. Step 6: Final answer
    x = 148,766,719.20

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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.