Home / 208,977,241.68-288,388,778.04-114,892,989.48

Finding the Fourth Proportional to 208,977,241.68, 288,388,778.04 and 114,892,989.48

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Solution

The fourth proportional to 208,977,241.68, 288,388,778.04 and 114,892,989.48 is: 158,552,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,977,241.68 : 288,388,778.04 = 114,892,989.48 : x
  2. Step 2: Convert to fraction form
    208,977,241.68/288,388,778.04 = 114,892,989.48/x
  3. Step 3: Cross multiply
    208,977,241.68x = 288,388,778.04 × 114,892,989.48
  4. Step 4: Simplify right side
    208,977,241.68x = 33,133,848,841,499,780
  5. Step 5: Solve for x
    x = 33,133,848,841,499,780/208,977,241.68
  6. Step 6: Final answer
    x = 158,552,426.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.