Home / 198,179,688.80-297,269,533.20-89,057,136.80

Finding the Fourth Proportional to 198,179,688.80, 297,269,533.20 and 89,057,136.80

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Solution

The fourth proportional to 198,179,688.80, 297,269,533.20 and 89,057,136.80 is: 133,585,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,179,688.80 : 297,269,533.20 = 89,057,136.80 : x
  2. Step 2: Convert to fraction form
    198,179,688.80/297,269,533.20 = 89,057,136.80/x
  3. Step 3: Cross multiply
    198,179,688.80x = 297,269,533.20 × 89,057,136.80
  4. Step 4: Simplify right side
    198,179,688.80x = 26,473,973,484,664,540
  5. Step 5: Solve for x
    x = 26,473,973,484,664,540/198,179,688.80
  6. Step 6: Final answer
    x = 133,585,705.20

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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.