Home / 199,817,761.50-299,747,202.81-75,425,165.46

Finding the Fourth Proportional to 199,817,761.50, 299,747,202.81 and 75,425,165.46

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Solution

The fourth proportional to 199,817,761.50, 299,747,202.81 and 75,425,165.46 is: 113,145,509.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,817,761.50 : 299,747,202.81 = 75,425,165.46 : x
  2. Step 2: Convert to fraction form
    199,817,761.50/299,747,202.81 = 75,425,165.46/x
  3. Step 3: Cross multiply
    199,817,761.50x = 299,747,202.81 × 75,425,165.46
  4. Step 4: Simplify right side
    199,817,761.50x = 22,608,482,368,116,424
  5. Step 5: Solve for x
    x = 22,608,482,368,116,424/199,817,761.50
  6. Step 6: Final answer
    x = 113,145,509.18

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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.