Home / 103,079,725.35-142,248,745.53-56,669,573.31

Finding the Fourth Proportional to 103,079,725.35, 142,248,745.53 and 56,669,573.31

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Solution

The fourth proportional to 103,079,725.35, 142,248,745.53 and 56,669,573.31 is: 78,203,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,079,725.35 : 142,248,745.53 = 56,669,573.31 : x
  2. Step 2: Convert to fraction form
    103,079,725.35/142,248,745.53 = 56,669,573.31/x
  3. Step 3: Cross multiply
    103,079,725.35x = 142,248,745.53 × 56,669,573.31
  4. Step 4: Simplify right side
    103,079,725.35x = 8,061,175,713,175,487
  5. Step 5: Solve for x
    x = 8,061,175,713,175,487/103,079,725.35
  6. Step 6: Final answer
    x = 78,203,309.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.