Home / 342,179,736.89-513,064,631.57-108,909,688.55

Finding the Fourth Proportional to 342,179,736.89, 513,064,631.57 and 108,909,688.55

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Solution

The fourth proportional to 342,179,736.89, 513,064,631.57 and 108,909,688.55 is: 163,299,293.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,179,736.89 : 513,064,631.57 = 108,909,688.55 : x
  2. Step 2: Convert to fraction form
    342,179,736.89/513,064,631.57 = 108,909,688.55/x
  3. Step 3: Cross multiply
    342,179,736.89x = 513,064,631.57 × 108,909,688.55
  4. Step 4: Simplify right side
    342,179,736.89x = 55,877,709,227,199,328
  5. Step 5: Solve for x
    x = 55,877,709,227,199,328/342,179,736.89
  6. Step 6: Final answer
    x = 163,299,293.34

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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.