Home / 342,179,747.82-513,064,647.92-108,909,699.48

Finding the Fourth Proportional to 342,179,747.82, 513,064,647.92 and 108,909,699.48

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Solution

The fourth proportional to 342,179,747.82, 513,064,647.92 and 108,909,699.48 is: 163,299,309.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,179,747.82 : 513,064,647.92 = 108,909,699.48 : x
  2. Step 2: Convert to fraction form
    342,179,747.82/513,064,647.92 = 108,909,699.48/x
  3. Step 3: Cross multiply
    342,179,747.82x = 513,064,647.92 × 108,909,699.48
  4. Step 4: Simplify right side
    342,179,747.82x = 55,877,716,618,779,208
  5. Step 5: Solve for x
    x = 55,877,716,618,779,208/342,179,747.82
  6. Step 6: Final answer
    x = 163,299,309.72

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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.