Home / 100,095,998.10-149,955,040.35-51,408,129.30

Finding the Fourth Proportional to 100,095,998.10, 149,955,040.35 and 51,408,129.30

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Solution

The fourth proportional to 100,095,998.10, 149,955,040.35 and 51,408,129.30 is: 77,015,147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,095,998.10 : 149,955,040.35 = 51,408,129.30 : x
  2. Step 2: Convert to fraction form
    100,095,998.10/149,955,040.35 = 51,408,129.30/x
  3. Step 3: Cross multiply
    100,095,998.10x = 149,955,040.35 × 51,408,129.30
  4. Step 4: Simplify right side
    100,095,998.10x = 7,708,908,103,499,517
  5. Step 5: Solve for x
    x = 7,708,908,103,499,517/100,095,998.10
  6. Step 6: Final answer
    x = 77,015,147.96

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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.