Home / 219,834,352.80-329,877,500.40-83,617,495.20

Finding the Fourth Proportional to 219,834,352.80, 329,877,500.40 and 83,617,495.20

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Solution

The fourth proportional to 219,834,352.80, 329,877,500.40 and 83,617,495.20 is: 125,474,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,834,352.80 : 329,877,500.40 = 83,617,495.20 : x
  2. Step 2: Convert to fraction form
    219,834,352.80/329,877,500.40 = 83,617,495.20/x
  3. Step 3: Cross multiply
    219,834,352.80x = 329,877,500.40 × 83,617,495.20
  4. Step 4: Simplify right side
    219,834,352.80x = 27,583,530,306,284,996
  5. Step 5: Solve for x
    x = 27,583,530,306,284,996/219,834,352.80
  6. Step 6: Final answer
    x = 125,474,157.95

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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.