Home / 219,672,043.20-329,508,064.80-133,579,281.60

Finding the Fourth Proportional to 219,672,043.20, 329,508,064.80 and 133,579,281.60

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Solution

The fourth proportional to 219,672,043.20, 329,508,064.80 and 133,579,281.60 is: 200,368,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,672,043.20 : 329,508,064.80 = 133,579,281.60 : x
  2. Step 2: Convert to fraction form
    219,672,043.20/329,508,064.80 = 133,579,281.60/x
  3. Step 3: Cross multiply
    219,672,043.20x = 329,508,064.80 × 133,579,281.60
  4. Step 4: Simplify right side
    219,672,043.20x = 44,015,450,577,390,248
  5. Step 5: Solve for x
    x = 44,015,450,577,390,248/219,672,043.20
  6. Step 6: Final answer
    x = 200,368,922.40

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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.