Home / 76,434,334.43-114,642,914.85-21,110,034.63

Finding the Fourth Proportional to 76,434,334.43, 114,642,914.85 and 21,110,034.63

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Solution

The fourth proportional to 76,434,334.43, 114,642,914.85 and 21,110,034.63 is: 31,662,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,434,334.43 : 114,642,914.85 = 21,110,034.63 : x
  2. Step 2: Convert to fraction form
    76,434,334.43/114,642,914.85 = 21,110,034.63/x
  3. Step 3: Cross multiply
    76,434,334.43x = 114,642,914.85 × 21,110,034.63
  4. Step 4: Simplify right side
    76,434,334.43x = 2,420,115,902,567,641
  5. Step 5: Solve for x
    x = 2,420,115,902,567,641/76,434,334.43
  6. Step 6: Final answer
    x = 31,662,680.40

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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.