Home / 238,866,766.43-329,466,338.65-159,441,783.02

Finding the Fourth Proportional to 238,866,766.43, 329,466,338.65 and 159,441,783.02

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Solution

The fourth proportional to 238,866,766.43, 329,466,338.65 and 159,441,783.02 is: 219,916,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,866,766.43 : 329,466,338.65 = 159,441,783.02 : x
  2. Step 2: Convert to fraction form
    238,866,766.43/329,466,338.65 = 159,441,783.02/x
  3. Step 3: Cross multiply
    238,866,766.43x = 329,466,338.65 × 159,441,783.02
  4. Step 4: Simplify right side
    238,866,766.43x = 52,530,700,477,381,192
  5. Step 5: Solve for x
    x = 52,530,700,477,381,192/238,866,766.43
  6. Step 6: Final answer
    x = 219,916,320.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.