Home / 306,087,119.16-459,131,011.32-76,056,203.82

Finding the Fourth Proportional to 306,087,119.16, 459,131,011.32 and 76,056,203.82

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Solution

The fourth proportional to 306,087,119.16, 459,131,011.32 and 76,056,203.82 is: 114,084,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,087,119.16 : 459,131,011.32 = 76,056,203.82 : x
  2. Step 2: Convert to fraction form
    306,087,119.16/459,131,011.32 = 76,056,203.82/x
  3. Step 3: Cross multiply
    306,087,119.16x = 459,131,011.32 × 76,056,203.82
  4. Step 4: Simplify right side
    306,087,119.16x = 34,919,761,777,036,644
  5. Step 5: Solve for x
    x = 34,919,761,777,036,644/306,087,119.16
  6. Step 6: Final answer
    x = 114,084,388.37

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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.