Home / 199,817,873.46-299,747,364.75-75,425,280.30

Finding the Fourth Proportional to 199,817,873.46, 299,747,364.75 and 75,425,280.30

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Solution

The fourth proportional to 199,817,873.46, 299,747,364.75 and 75,425,280.30 is: 113,145,679.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,817,873.46 : 299,747,364.75 = 75,425,280.30 : x
  2. Step 2: Convert to fraction form
    199,817,873.46/299,747,364.75 = 75,425,280.30/x
  3. Step 3: Cross multiply
    199,817,873.46x = 299,747,364.75 × 75,425,280.30
  4. Step 4: Simplify right side
    199,817,873.46x = 22,608,529,005,455,088
  5. Step 5: Solve for x
    x = 22,608,529,005,455,088/199,817,873.46
  6. Step 6: Final answer
    x = 113,145,679.18

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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.