Home / 165,888,173.70-248,832,260.55-155,138,631.30

Finding the Fourth Proportional to 165,888,173.70, 248,832,260.55 and 155,138,631.30

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Solution

The fourth proportional to 165,888,173.70, 248,832,260.55 and 155,138,631.30 is: 232,707,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,173.70 : 248,832,260.55 = 155,138,631.30 : x
  2. Step 2: Convert to fraction form
    165,888,173.70/248,832,260.55 = 155,138,631.30/x
  3. Step 3: Cross multiply
    165,888,173.70x = 248,832,260.55 × 155,138,631.30
  4. Step 4: Simplify right side
    165,888,173.70x = 38,603,496,325,011,992
  5. Step 5: Solve for x
    x = 38,603,496,325,011,992/165,888,173.70
  6. Step 6: Final answer
    x = 232,707,946.95

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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.