Home / 101,771,234.37-140,444,197.13-55,361,377.58

Finding the Fourth Proportional to 101,771,234.37, 140,444,197.13 and 55,361,377.58

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Solution

The fourth proportional to 101,771,234.37, 140,444,197.13 and 55,361,377.58 is: 76,398,643.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,771,234.37 : 140,444,197.13 = 55,361,377.58 : x
  2. Step 2: Convert to fraction form
    101,771,234.37/140,444,197.13 = 55,361,377.58/x
  3. Step 3: Cross multiply
    101,771,234.37x = 140,444,197.13 × 55,361,377.58
  4. Step 4: Simplify right side
    101,771,234.37x = 7,775,184,225,254,855
  5. Step 5: Solve for x
    x = 7,775,184,225,254,855/101,771,234.37
  6. Step 6: Final answer
    x = 76,398,643.23

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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.