Home / 199,419,372.20-299,157,051.90-63,090,540.20

Finding the Fourth Proportional to 199,419,372.20, 299,157,051.90 and 63,090,540.20

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Solution

The fourth proportional to 199,419,372.20, 299,157,051.90 and 63,090,540.20 is: 94,644,666.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,419,372.20 : 299,157,051.90 = 63,090,540.20 : x
  2. Step 2: Convert to fraction form
    199,419,372.20/299,157,051.90 = 63,090,540.20/x
  3. Step 3: Cross multiply
    199,419,372.20x = 299,157,051.90 × 63,090,540.20
  4. Step 4: Simplify right side
    199,419,372.20x = 18,873,980,009,010,436
  5. Step 5: Solve for x
    x = 18,873,980,009,010,436/199,419,372.20
  6. Step 6: Final answer
    x = 94,644,666.67

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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.