Home / 149,883,926.06-206,776,481.22-100,340,259.86

Finding the Fourth Proportional to 149,883,926.06, 206,776,481.22 and 100,340,259.86

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Solution

The fourth proportional to 149,883,926.06, 206,776,481.22 and 100,340,259.86 is: 138,427,157.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,883,926.06 : 206,776,481.22 = 100,340,259.86 : x
  2. Step 2: Convert to fraction form
    149,883,926.06/206,776,481.22 = 100,340,259.86/x
  3. Step 3: Cross multiply
    149,883,926.06x = 206,776,481.22 × 100,340,259.86
  4. Step 4: Simplify right side
    149,883,926.06x = 20,748,005,859,068,152
  5. Step 5: Solve for x
    x = 20,748,005,859,068,152/149,883,926.06
  6. Step 6: Final answer
    x = 138,427,157.63

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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.