Home / 101,892,106.45-140,575,238.80-66,630,553.57

Finding the Fourth Proportional to 101,892,106.45, 140,575,238.80 and 66,630,553.57

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Solution

The fourth proportional to 101,892,106.45, 140,575,238.80 and 66,630,553.57 is: 91,926,708.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,892,106.45 : 140,575,238.80 = 66,630,553.57 : x
  2. Step 2: Convert to fraction form
    101,892,106.45/140,575,238.80 = 66,630,553.57/x
  3. Step 3: Cross multiply
    101,892,106.45x = 140,575,238.80 × 66,630,553.57
  4. Step 4: Simplify right side
    101,892,106.45x = 9,366,605,979,478,944
  5. Step 5: Solve for x
    x = 9,366,605,979,478,944/101,892,106.45
  6. Step 6: Final answer
    x = 91,926,708.61

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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.