Home / 132,100,071.60-198,150,107.40-80,444,006.40

Finding the Fourth Proportional to 132,100,071.60, 198,150,107.40 and 80,444,006.40

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Solution

The fourth proportional to 132,100,071.60, 198,150,107.40 and 80,444,006.40 is: 120,666,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,100,071.60 : 198,150,107.40 = 80,444,006.40 : x
  2. Step 2: Convert to fraction form
    132,100,071.60/198,150,107.40 = 80,444,006.40/x
  3. Step 3: Cross multiply
    132,100,071.60x = 198,150,107.40 × 80,444,006.40
  4. Step 4: Simplify right side
    132,100,071.60x = 15,939,988,507,846,290
  5. Step 5: Solve for x
    x = 15,939,988,507,846,290/132,100,071.60
  6. Step 6: Final answer
    x = 120,666,009.60

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1.5x scale

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.