Home / 140,090,156.20-209,851,799.10-97,008,005.80

Finding the Fourth Proportional to 140,090,156.20, 209,851,799.10 and 97,008,005.80

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Solution

The fourth proportional to 140,090,156.20, 209,851,799.10 and 97,008,005.80 is: 145,315,738.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,090,156.20 : 209,851,799.10 = 97,008,005.80 : x
  2. Step 2: Convert to fraction form
    140,090,156.20/209,851,799.10 = 97,008,005.80/x
  3. Step 3: Cross multiply
    140,090,156.20x = 209,851,799.10 × 97,008,005.80
  4. Step 4: Simplify right side
    140,090,156.20x = 20,357,304,544,233,232
  5. Step 5: Solve for x
    x = 20,357,304,544,233,232/140,090,156.20
  6. Step 6: Final answer
    x = 145,315,738.78

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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.