Home / 132,210,023.40-198,315,035.10-99,961,396.20

Finding the Fourth Proportional to 132,210,023.40, 198,315,035.10 and 99,961,396.20

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Solution

The fourth proportional to 132,210,023.40, 198,315,035.10 and 99,961,396.20 is: 149,942,094.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,210,023.40 : 198,315,035.10 = 99,961,396.20 : x
  2. Step 2: Convert to fraction form
    132,210,023.40/198,315,035.10 = 99,961,396.20/x
  3. Step 3: Cross multiply
    132,210,023.40x = 198,315,035.10 × 99,961,396.20
  4. Step 4: Simplify right side
    132,210,023.40x = 19,823,847,796,048,008
  5. Step 5: Solve for x
    x = 19,823,847,796,048,008/132,210,023.40
  6. Step 6: Final answer
    x = 149,942,094.30

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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.