Home / 221,275,625.40-331,913,438.10-93,608,220.60

Finding the Fourth Proportional to 221,275,625.40, 331,913,438.10 and 93,608,220.60

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Solution

The fourth proportional to 221,275,625.40, 331,913,438.10 and 93,608,220.60 is: 140,412,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,275,625.40 : 331,913,438.10 = 93,608,220.60 : x
  2. Step 2: Convert to fraction form
    221,275,625.40/331,913,438.10 = 93,608,220.60/x
  3. Step 3: Cross multiply
    221,275,625.40x = 331,913,438.10 × 93,608,220.60
  4. Step 4: Simplify right side
    221,275,625.40x = 31,069,826,333,769,244
  5. Step 5: Solve for x
    x = 31,069,826,333,769,244/221,275,625.40
  6. Step 6: Final answer
    x = 140,412,330.90

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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.