Home / 117,005,138.80-175,507,708.20-98,193,439.60

Finding the Fourth Proportional to 117,005,138.80, 175,507,708.20 and 98,193,439.60

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Solution

The fourth proportional to 117,005,138.80, 175,507,708.20 and 98,193,439.60 is: 147,290,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,005,138.80 : 175,507,708.20 = 98,193,439.60 : x
  2. Step 2: Convert to fraction form
    117,005,138.80/175,507,708.20 = 98,193,439.60/x
  3. Step 3: Cross multiply
    117,005,138.80x = 175,507,708.20 × 98,193,439.60
  4. Step 4: Simplify right side
    117,005,138.80x = 17,233,705,544,471,122
  5. Step 5: Solve for x
    x = 17,233,705,544,471,122/117,005,138.80
  6. Step 6: Final answer
    x = 147,290,159.40

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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.