Home / 99,664,382.80-149,496,574.20-74,155,214.80

Finding the Fourth Proportional to 99,664,382.80, 149,496,574.20 and 74,155,214.80

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Solution

The fourth proportional to 99,664,382.80, 149,496,574.20 and 74,155,214.80 is: 111,232,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,664,382.80 : 149,496,574.20 = 74,155,214.80 : x
  2. Step 2: Convert to fraction form
    99,664,382.80/149,496,574.20 = 74,155,214.80/x
  3. Step 3: Cross multiply
    99,664,382.80x = 149,496,574.20 × 74,155,214.80
  4. Step 4: Simplify right side
    99,664,382.80x = 11,085,950,571,665,136
  5. Step 5: Solve for x
    x = 11,085,950,571,665,136/99,664,382.80
  6. Step 6: Final answer
    x = 111,232,822.20

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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.