Home / 165,864,372.80-248,908,533.60-108,216,219.20

Finding the Fourth Proportional to 165,864,372.80, 248,908,533.60 and 108,216,219.20

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Solution

The fourth proportional to 165,864,372.80, 248,908,533.60 and 108,216,219.20 is: 162,397,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,864,372.80 : 248,908,533.60 = 108,216,219.20 : x
  2. Step 2: Convert to fraction form
    165,864,372.80/248,908,533.60 = 108,216,219.20/x
  3. Step 3: Cross multiply
    165,864,372.80x = 248,908,533.60 × 108,216,219.20
  4. Step 4: Simplify right side
    165,864,372.80x = 26,935,940,432,808,164
  5. Step 5: Solve for x
    x = 26,935,940,432,808,164/165,864,372.80
  6. Step 6: Final answer
    x = 162,397,385.15

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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.