Home / 306,087,120.16-459,131,012.82-76,056,204.82

Finding the Fourth Proportional to 306,087,120.16, 459,131,012.82 and 76,056,204.82

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Solution

The fourth proportional to 306,087,120.16, 459,131,012.82 and 76,056,204.82 is: 114,084,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,087,120.16 : 459,131,012.82 = 76,056,204.82 : x
  2. Step 2: Convert to fraction form
    306,087,120.16/459,131,012.82 = 76,056,204.82/x
  3. Step 3: Cross multiply
    306,087,120.16x = 459,131,012.82 × 76,056,204.82
  4. Step 4: Simplify right side
    306,087,120.16x = 34,919,762,350,251,960
  5. Step 5: Solve for x
    x = 34,919,762,350,251,960/306,087,120.16
  6. Step 6: Final answer
    x = 114,084,389.87

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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.