Home / 156,436,648.25-235,037,551.57-147,735,148.73

Finding the Fourth Proportional to 156,436,648.25, 235,037,551.57 and 147,735,148.73

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Solution

The fourth proportional to 156,436,648.25, 235,037,551.57 and 147,735,148.73 is: 221,964,022.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,436,648.25 : 235,037,551.57 = 147,735,148.73 : x
  2. Step 2: Convert to fraction form
    156,436,648.25/235,037,551.57 = 147,735,148.73/x
  3. Step 3: Cross multiply
    156,436,648.25x = 235,037,551.57 × 147,735,148.73
  4. Step 4: Simplify right side
    156,436,648.25x = 34,723,307,636,784,468
  5. Step 5: Solve for x
    x = 34,723,307,636,784,468/156,436,648.25
  6. Step 6: Final answer
    x = 221,964,022.03

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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.