Home / 132,100,070.60-198,150,105.90-80,444,005.40

Finding the Fourth Proportional to 132,100,070.60, 198,150,105.90 and 80,444,005.40

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Solution

The fourth proportional to 132,100,070.60, 198,150,105.90 and 80,444,005.40 is: 120,666,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,100,070.60 : 198,150,105.90 = 80,444,005.40 : x
  2. Step 2: Convert to fraction form
    132,100,070.60/198,150,105.90 = 80,444,005.40/x
  3. Step 3: Cross multiply
    132,100,070.60x = 198,150,105.90 × 80,444,005.40
  4. Step 4: Simplify right side
    132,100,070.60x = 15,939,988,189,030,174
  5. Step 5: Solve for x
    x = 15,939,988,189,030,174/132,100,070.60
  6. Step 6: Final answer
    x = 120,666,008.10

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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.