Home / 135,994,541.40-187,649,489.85-76,447,905.66

Finding the Fourth Proportional to 135,994,541.40, 187,649,489.85 and 76,447,905.66

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Solution

The fourth proportional to 135,994,541.40, 187,649,489.85 and 76,447,905.66 is: 105,485,193.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,994,541.40 : 187,649,489.85 = 76,447,905.66 : x
  2. Step 2: Convert to fraction form
    135,994,541.40/187,649,489.85 = 76,447,905.66/x
  3. Step 3: Cross multiply
    135,994,541.40x = 187,649,489.85 × 76,447,905.66
  4. Step 4: Simplify right side
    135,994,541.40x = 14,345,410,497,199,926
  5. Step 5: Solve for x
    x = 14,345,410,497,199,926/135,994,541.40
  6. Step 6: Final answer
    x = 105,485,193.37

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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.