Home / 132,903,896.40-199,355,844.60-87,516,939.60

Finding the Fourth Proportional to 132,903,896.40, 199,355,844.60 and 87,516,939.60

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Solution

The fourth proportional to 132,903,896.40, 199,355,844.60 and 87,516,939.60 is: 131,275,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,903,896.40 : 199,355,844.60 = 87,516,939.60 : x
  2. Step 2: Convert to fraction form
    132,903,896.40/199,355,844.60 = 87,516,939.60/x
  3. Step 3: Cross multiply
    132,903,896.40x = 199,355,844.60 × 87,516,939.60
  4. Step 4: Simplify right side
    132,903,896.40x = 17,447,013,410,765,184
  5. Step 5: Solve for x
    x = 17,447,013,410,765,184/132,903,896.40
  6. Step 6: Final answer
    x = 131,275,409.40

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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.