Home / 99,080,699.40-148,621,049.10-90,152,490.60

Finding the Fourth Proportional to 99,080,699.40, 148,621,049.10 and 90,152,490.60

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Solution

The fourth proportional to 99,080,699.40, 148,621,049.10 and 90,152,490.60 is: 135,228,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,080,699.40 : 148,621,049.10 = 90,152,490.60 : x
  2. Step 2: Convert to fraction form
    99,080,699.40/148,621,049.10 = 90,152,490.60/x
  3. Step 3: Cross multiply
    99,080,699.40x = 148,621,049.10 × 90,152,490.60
  4. Step 4: Simplify right side
    99,080,699.40x = 13,398,557,731,949,888
  5. Step 5: Solve for x
    x = 13,398,557,731,949,888/99,080,699.40
  6. Step 6: Final answer
    x = 135,228,735.90

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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.