Home / 100,096,619.60-149,955,972.60-51,408,750.80

Finding the Fourth Proportional to 100,096,619.60, 149,955,972.60 and 51,408,750.80

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Solution

The fourth proportional to 100,096,619.60, 149,955,972.60 and 51,408,750.80 is: 77,016,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,096,619.60 : 149,955,972.60 = 51,408,750.80 : x
  2. Step 2: Convert to fraction form
    100,096,619.60/149,955,972.60 = 51,408,750.80/x
  3. Step 3: Cross multiply
    100,096,619.60x = 149,955,972.60 × 51,408,750.80
  4. Step 4: Simplify right side
    100,096,619.60x = 7,709,049,226,365,027
  5. Step 5: Solve for x
    x = 7,709,049,226,365,027/100,096,619.60
  6. Step 6: Final answer
    x = 77,016,079.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.