Home / 181,496,998.80-272,245,498.20-66,493,166.40

Finding the Fourth Proportional to 181,496,998.80, 272,245,498.20 and 66,493,166.40

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Solution

The fourth proportional to 181,496,998.80, 272,245,498.20 and 66,493,166.40 is: 99,739,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,496,998.80 : 272,245,498.20 = 66,493,166.40 : x
  2. Step 2: Convert to fraction form
    181,496,998.80/272,245,498.20 = 66,493,166.40/x
  3. Step 3: Cross multiply
    181,496,998.80x = 272,245,498.20 × 66,493,166.40
  4. Step 4: Simplify right side
    181,496,998.80x = 18,102,465,213,463,500
  5. Step 5: Solve for x
    x = 18,102,465,213,463,500/181,496,998.80
  6. Step 6: Final answer
    x = 99,739,749.60

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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.