Home / 219,806,558.40-329,709,837.60-66,436,622.40

Finding the Fourth Proportional to 219,806,558.40, 329,709,837.60 and 66,436,622.40

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Solution

The fourth proportional to 219,806,558.40, 329,709,837.60 and 66,436,622.40 is: 99,654,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,806,558.40 : 329,709,837.60 = 66,436,622.40 : x
  2. Step 2: Convert to fraction form
    219,806,558.40/329,709,837.60 = 66,436,622.40/x
  3. Step 3: Cross multiply
    219,806,558.40x = 329,709,837.60 × 66,436,622.40
  4. Step 4: Simplify right side
    219,806,558.40x = 21,904,807,982,196,524
  5. Step 5: Solve for x
    x = 21,904,807,982,196,524/219,806,558.40
  6. Step 6: Final answer
    x = 99,654,933.60

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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.