Home / 109,331,358.30-163,997,205.48-43,782,014.70

Finding the Fourth Proportional to 109,331,358.30, 163,997,205.48 and 43,782,014.70

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Solution

The fourth proportional to 109,331,358.30, 163,997,205.48 and 43,782,014.70 is: 65,673,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,331,358.30 : 163,997,205.48 = 43,782,014.70 : x
  2. Step 2: Convert to fraction form
    109,331,358.30/163,997,205.48 = 43,782,014.70/x
  3. Step 3: Cross multiply
    109,331,358.30x = 163,997,205.48 × 43,782,014.70
  4. Step 4: Simplify right side
    109,331,358.30x = 7,180,128,061,084,281
  5. Step 5: Solve for x
    x = 7,180,128,061,084,281/109,331,358.30
  6. Step 6: Final answer
    x = 65,673,089.34

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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.