Home / 219,774,015.40-329,377,587.90-168,401,385.40

Finding the Fourth Proportional to 219,774,015.40, 329,377,587.90 and 168,401,385.40

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Solution

The fourth proportional to 219,774,015.40, 329,377,587.90 and 168,401,385.40 is: 252,384,896.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,774,015.40 : 329,377,587.90 = 168,401,385.40 : x
  2. Step 2: Convert to fraction form
    219,774,015.40/329,377,587.90 = 168,401,385.40/x
  3. Step 3: Cross multiply
    219,774,015.40x = 329,377,587.90 × 168,401,385.40
  4. Step 4: Simplify right side
    219,774,015.40x = 55,467,642,122,070,272
  5. Step 5: Solve for x
    x = 55,467,642,122,070,272/219,774,015.40
  6. Step 6: Final answer
    x = 252,384,896.46

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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.