Home / 43,219,204.31-64,828,917.05-17,660,213.61

Finding the Fourth Proportional to 43,219,204.31, 64,828,917.05 and 17,660,213.61

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Solution

The fourth proportional to 43,219,204.31, 64,828,917.05 and 17,660,213.61 is: 26,490,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,219,204.31 : 64,828,917.05 = 17,660,213.61 : x
  2. Step 2: Convert to fraction form
    43,219,204.31/64,828,917.05 = 17,660,213.61/x
  3. Step 3: Cross multiply
    43,219,204.31x = 64,828,917.05 × 17,660,213.61
  4. Step 4: Simplify right side
    43,219,204.31x = 1,144,892,523,119,670
  5. Step 5: Solve for x
    x = 1,144,892,523,119,670/43,219,204.31
  6. Step 6: Final answer
    x = 26,490,365.60

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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.