Home / 165,996,909.70-248,995,364.55-108,666,016.90

Finding the Fourth Proportional to 165,996,909.70, 248,995,364.55 and 108,666,016.90

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Solution

The fourth proportional to 165,996,909.70, 248,995,364.55 and 108,666,016.90 is: 162,999,025.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,996,909.70 : 248,995,364.55 = 108,666,016.90 : x
  2. Step 2: Convert to fraction form
    165,996,909.70/248,995,364.55 = 108,666,016.90/x
  3. Step 3: Cross multiply
    165,996,909.70x = 248,995,364.55 × 108,666,016.90
  4. Step 4: Simplify right side
    165,996,909.70x = 27,057,334,492,211,964
  5. Step 5: Solve for x
    x = 27,057,334,492,211,964/165,996,909.70
  6. Step 6: Final answer
    x = 162,999,025.35

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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.