Home / 29,133,190.80-43,681,123.80-12,100,640.40

Finding the Fourth Proportional to 29,133,190.80, 43,681,123.80 and 12,100,640.40

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Solution

The fourth proportional to 29,133,190.80, 43,681,123.80 and 12,100,640.40 is: 18,143,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,133,190.80 : 43,681,123.80 = 12,100,640.40 : x
  2. Step 2: Convert to fraction form
    29,133,190.80/43,681,123.80 = 12,100,640.40/x
  3. Step 3: Cross multiply
    29,133,190.80x = 43,681,123.80 × 12,100,640.40
  4. Step 4: Simplify right side
    29,133,190.80x = 528,569,571,371,681.50
  5. Step 5: Solve for x
    x = 528,569,571,371,681.50/29,133,190.80
  6. Step 6: Final answer
    x = 18,143,209.06

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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.