Home / 49,157,757.90-73,710,064.80-20,406,799.80

Finding the Fourth Proportional to 49,157,757.90, 73,710,064.80 and 20,406,799.80

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Solution

The fourth proportional to 49,157,757.90, 73,710,064.80 and 20,406,799.80 is: 30,599,168.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,157,757.90 : 73,710,064.80 = 20,406,799.80 : x
  2. Step 2: Convert to fraction form
    49,157,757.90/73,710,064.80 = 20,406,799.80/x
  3. Step 3: Cross multiply
    49,157,757.90x = 73,710,064.80 × 20,406,799.80
  4. Step 4: Simplify right side
    49,157,757.90x = 1,504,186,535,618,627
  5. Step 5: Solve for x
    x = 1,504,186,535,618,627/49,157,757.90
  6. Step 6: Final answer
    x = 30,599,168.88

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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.