Home / 122,608,467.38-169,240,685.53-73,064,377.15

Finding the Fourth Proportional to 122,608,467.38, 169,240,685.53 and 73,064,377.15

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Solution

The fourth proportional to 122,608,467.38, 169,240,685.53 and 73,064,377.15 is: 100,853,273.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,608,467.38 : 169,240,685.53 = 73,064,377.15 : x
  2. Step 2: Convert to fraction form
    122,608,467.38/169,240,685.53 = 73,064,377.15/x
  3. Step 3: Cross multiply
    122,608,467.38x = 169,240,685.53 × 73,064,377.15
  4. Step 4: Simplify right side
    122,608,467.38x = 12,365,465,276,220,064
  5. Step 5: Solve for x
    x = 12,365,465,276,220,064/122,608,467.38
  6. Step 6: Final answer
    x = 100,853,273.35

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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.