Home / 131,914,576.40-197,871,864.60-99,177,810.80

Finding the Fourth Proportional to 131,914,576.40, 197,871,864.60 and 99,177,810.80

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Solution

The fourth proportional to 131,914,576.40, 197,871,864.60 and 99,177,810.80 is: 148,766,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,914,576.40 : 197,871,864.60 = 99,177,810.80 : x
  2. Step 2: Convert to fraction form
    131,914,576.40/197,871,864.60 = 99,177,810.80/x
  3. Step 3: Cross multiply
    131,914,576.40x = 197,871,864.60 × 99,177,810.80
  4. Step 4: Simplify right side
    131,914,576.40x = 19,624,498,349,942,016
  5. Step 5: Solve for x
    x = 19,624,498,349,942,016/131,914,576.40
  6. Step 6: Final answer
    x = 148,766,716.20

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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.