Home / 117,366,944.20-175,882,454.70-86,420,019.40

Finding the Fourth Proportional to 117,366,944.20, 175,882,454.70 and 86,420,019.40

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Solution

The fourth proportional to 117,366,944.20, 175,882,454.70 and 86,420,019.40 is: 129,506,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,366,944.20 : 175,882,454.70 = 86,420,019.40 : x
  2. Step 2: Convert to fraction form
    117,366,944.20/175,882,454.70 = 86,420,019.40/x
  3. Step 3: Cross multiply
    117,366,944.20x = 175,882,454.70 × 86,420,019.40
  4. Step 4: Simplify right side
    117,366,944.20x = 15,199,765,147,293,622
  5. Step 5: Solve for x
    x = 15,199,765,147,293,622/117,366,944.20
  6. Step 6: Final answer
    x = 129,506,355.06

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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.