Home / 161,728,022.40-242,676,014.40-70,860,796.80

Finding the Fourth Proportional to 161,728,022.40, 242,676,014.40 and 70,860,796.80

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Solution

The fourth proportional to 161,728,022.40, 242,676,014.40 and 70,860,796.80 is: 106,327,991.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,728,022.40 : 242,676,014.40 = 70,860,796.80 : x
  2. Step 2: Convert to fraction form
    161,728,022.40/242,676,014.40 = 70,860,796.80/x
  3. Step 3: Cross multiply
    161,728,022.40x = 242,676,014.40 × 70,860,796.80
  4. Step 4: Simplify right side
    161,728,022.40x = 17,196,215,744,632,274
  5. Step 5: Solve for x
    x = 17,196,215,744,632,274/161,728,022.40
  6. Step 6: Final answer
    x = 106,327,991.21

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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.