Home / 161,531,179.20-242,296,768.80-97,830,187.20

Finding the Fourth Proportional to 161,531,179.20, 242,296,768.80 and 97,830,187.20

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Solution

The fourth proportional to 161,531,179.20, 242,296,768.80 and 97,830,187.20 is: 146,745,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,531,179.20 : 242,296,768.80 = 97,830,187.20 : x
  2. Step 2: Convert to fraction form
    161,531,179.20/242,296,768.80 = 97,830,187.20/x
  3. Step 3: Cross multiply
    161,531,179.20x = 242,296,768.80 × 97,830,187.20
  4. Step 4: Simplify right side
    161,531,179.20x = 23,703,938,249,659,120
  5. Step 5: Solve for x
    x = 23,703,938,249,659,120/161,531,179.20
  6. Step 6: Final answer
    x = 146,745,280.80

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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.