Home / 165,219,783.40-247,617,098.70-100,454,840.20

Finding the Fourth Proportional to 165,219,783.40, 247,617,098.70 and 100,454,840.20

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Solution

The fourth proportional to 165,219,783.40, 247,617,098.70 and 100,454,840.20 is: 150,553,012.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,219,783.40 : 247,617,098.70 = 100,454,840.20 : x
  2. Step 2: Convert to fraction form
    165,219,783.40/247,617,098.70 = 100,454,840.20/x
  3. Step 3: Cross multiply
    165,219,783.40x = 247,617,098.70 × 100,454,840.20
  4. Step 4: Simplify right side
    165,219,783.40x = 24,874,336,080,696,128
  5. Step 5: Solve for x
    x = 24,874,336,080,696,128/165,219,783.40
  6. Step 6: Final answer
    x = 150,553,012.29

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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.