Home / 132,210,081.40-198,315,122.10-99,961,454.20

Finding the Fourth Proportional to 132,210,081.40, 198,315,122.10 and 99,961,454.20

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Solution

The fourth proportional to 132,210,081.40, 198,315,122.10 and 99,961,454.20 is: 149,942,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,210,081.40 : 198,315,122.10 = 99,961,454.20 : x
  2. Step 2: Convert to fraction form
    132,210,081.40/198,315,122.10 = 99,961,454.20/x
  3. Step 3: Cross multiply
    132,210,081.40x = 198,315,122.10 × 99,961,454.20
  4. Step 4: Simplify right side
    132,210,081.40x = 19,823,867,994,966,556
  5. Step 5: Solve for x
    x = 19,823,867,994,966,556/132,210,081.40
  6. Step 6: Final answer
    x = 149,942,181.30

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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.