Home / 88,579,322.70-132,868,984.05-85,178,100.30

Finding the Fourth Proportional to 88,579,322.70, 132,868,984.05 and 85,178,100.30

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Solution

The fourth proportional to 88,579,322.70, 132,868,984.05 and 85,178,100.30 is: 127,767,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,579,322.70 : 132,868,984.05 = 85,178,100.30 : x
  2. Step 2: Convert to fraction form
    88,579,322.70/132,868,984.05 = 85,178,100.30/x
  3. Step 3: Cross multiply
    88,579,322.70x = 132,868,984.05 × 85,178,100.30
  4. Step 4: Simplify right side
    88,579,322.70x = 11,317,527,650,170,000
  5. Step 5: Solve for x
    x = 11,317,527,650,170,000/88,579,322.70
  6. Step 6: Final answer
    x = 127,767,150.45

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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.