Home / 253,499,564.86-380,245,264.89-80,975,241.34

Finding the Fourth Proportional to 253,499,564.86, 380,245,264.89 and 80,975,241.34

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Solution

The fourth proportional to 253,499,564.86, 380,245,264.89 and 80,975,241.34 is: 121,461,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,499,564.86 : 380,245,264.89 = 80,975,241.34 : x
  2. Step 2: Convert to fraction form
    253,499,564.86/380,245,264.89 = 80,975,241.34/x
  3. Step 3: Cross multiply
    253,499,564.86x = 380,245,264.89 × 80,975,241.34
  4. Step 4: Simplify right side
    253,499,564.86x = 30,790,452,091,605,712
  5. Step 5: Solve for x
    x = 30,790,452,091,605,712/253,499,564.86
  6. Step 6: Final answer
    x = 121,461,557.97

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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.