Home / 99,545,858.06-149,319,260.03-30,458,552.06

Finding the Fourth Proportional to 99,545,858.06, 149,319,260.03 and 30,458,552.06

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Solution

The fourth proportional to 99,545,858.06, 149,319,260.03 and 30,458,552.06 is: 45,687,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,545,858.06 : 149,319,260.03 = 30,458,552.06 : x
  2. Step 2: Convert to fraction form
    99,545,858.06/149,319,260.03 = 30,458,552.06/x
  3. Step 3: Cross multiply
    99,545,858.06x = 149,319,260.03 × 30,458,552.06
  4. Step 4: Simplify right side
    99,545,858.06x = 4,548,048,454,708,367
  5. Step 5: Solve for x
    x = 4,548,048,454,708,367/99,545,858.06
  6. Step 6: Final answer
    x = 45,687,972.79

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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.