Home / 99,836,293.20-149,782,433.40-42,356,101.20

Finding the Fourth Proportional to 99,836,293.20, 149,782,433.40 and 42,356,101.20

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Solution

The fourth proportional to 99,836,293.20, 149,782,433.40 and 42,356,101.20 is: 63,546,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,836,293.20 : 149,782,433.40 = 42,356,101.20 : x
  2. Step 2: Convert to fraction form
    99,836,293.20/149,782,433.40 = 42,356,101.20/x
  3. Step 3: Cross multiply
    99,836,293.20x = 149,782,433.40 × 42,356,101.20
  4. Step 4: Simplify right side
    99,836,293.20x = 6,344,199,907,072,661
  5. Step 5: Solve for x
    x = 6,344,199,907,072,661/99,836,293.20
  6. Step 6: Final answer
    x = 63,546,028.24

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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.