Home / 188,611,439.10-260,283,389.67-106,105,223.94

Finding the Fourth Proportional to 188,611,439.10, 260,283,389.67 and 106,105,223.94

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Solution

The fourth proportional to 188,611,439.10, 260,283,389.67 and 106,105,223.94 is: 146,424,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,611,439.10 : 260,283,389.67 = 106,105,223.94 : x
  2. Step 2: Convert to fraction form
    188,611,439.10/260,283,389.67 = 106,105,223.94/x
  3. Step 3: Cross multiply
    188,611,439.10x = 260,283,389.67 × 106,105,223.94
  4. Step 4: Simplify right side
    188,611,439.10x = 27,617,427,348,797,632
  5. Step 5: Solve for x
    x = 27,617,427,348,797,632/188,611,439.10
  6. Step 6: Final answer
    x = 146,424,986.10

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1.5x scale

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.