Home / 161,531,156.20-242,296,734.30-97,830,164.20

Finding the Fourth Proportional to 161,531,156.20, 242,296,734.30 and 97,830,164.20

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Solution

The fourth proportional to 161,531,156.20, 242,296,734.30 and 97,830,164.20 is: 146,745,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,531,156.20 : 242,296,734.30 = 97,830,164.20 : x
  2. Step 2: Convert to fraction form
    161,531,156.20/242,296,734.30 = 97,830,164.20/x
  3. Step 3: Cross multiply
    161,531,156.20x = 242,296,734.30 × 97,830,164.20
  4. Step 4: Simplify right side
    161,531,156.20x = 23,703,929,301,692,772
  5. Step 5: Solve for x
    x = 23,703,929,301,692,772/161,531,156.20
  6. Step 6: Final answer
    x = 146,745,246.30

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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.