Home / 199,818,009.74-299,747,572.23-75,425,416.24

Finding the Fourth Proportional to 199,818,009.74, 299,747,572.23 and 75,425,416.24

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Solution

The fourth proportional to 199,818,009.74, 299,747,572.23 and 75,425,416.24 is: 113,145,884.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,818,009.74 : 299,747,572.23 = 75,425,416.24 : x
  2. Step 2: Convert to fraction form
    199,818,009.74/299,747,572.23 = 75,425,416.24/x
  3. Step 3: Cross multiply
    199,818,009.74x = 299,747,572.23 × 75,425,416.24
  4. Step 4: Simplify right side
    199,818,009.74x = 22,608,585,402,377,216
  5. Step 5: Solve for x
    x = 22,608,585,402,377,216/199,818,009.74
  6. Step 6: Final answer
    x = 113,145,884.26

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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.