Home / 342,179,747.31-513,064,647.18-108,909,698.97

Finding the Fourth Proportional to 342,179,747.31, 513,064,647.18 and 108,909,698.97

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Solution

The fourth proportional to 342,179,747.31, 513,064,647.18 and 108,909,698.97 is: 163,299,308.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,179,747.31 : 513,064,647.18 = 108,909,698.97 : x
  2. Step 2: Convert to fraction form
    342,179,747.31/513,064,647.18 = 108,909,698.97/x
  3. Step 3: Cross multiply
    342,179,747.31x = 513,064,647.18 × 108,909,698.97
  4. Step 4: Simplify right side
    342,179,747.31x = 55,877,716,276,523,056
  5. Step 5: Solve for x
    x = 55,877,716,276,523,056/342,179,747.31
  6. Step 6: Final answer
    x = 163,299,308.96

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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.