Home / 99,645,467.80-149,468,201.70-83,773,096.60

Finding the Fourth Proportional to 99,645,467.80, 149,468,201.70 and 83,773,096.60

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Solution

The fourth proportional to 99,645,467.80, 149,468,201.70 and 83,773,096.60 is: 125,659,644.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,645,467.80 : 149,468,201.70 = 83,773,096.60 : x
  2. Step 2: Convert to fraction form
    99,645,467.80/149,468,201.70 = 83,773,096.60/x
  3. Step 3: Cross multiply
    99,645,467.80x = 149,468,201.70 × 83,773,096.60
  4. Step 4: Simplify right side
    99,645,467.80x = 12,521,414,099,642,382
  5. Step 5: Solve for x
    x = 12,521,414,099,642,382/99,645,467.80
  6. Step 6: Final answer
    x = 125,659,644.90

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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.