Home / 134,136,058.40-201,204,087.60-90,770,472.80

Finding the Fourth Proportional to 134,136,058.40, 201,204,087.60 and 90,770,472.80

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Solution

The fourth proportional to 134,136,058.40, 201,204,087.60 and 90,770,472.80 is: 136,155,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,136,058.40 : 201,204,087.60 = 90,770,472.80 : x
  2. Step 2: Convert to fraction form
    134,136,058.40/201,204,087.60 = 90,770,472.80/x
  3. Step 3: Cross multiply
    134,136,058.40x = 201,204,087.60 × 90,770,472.80
  4. Step 4: Simplify right side
    134,136,058.40x = 18,263,390,160,744,616
  5. Step 5: Solve for x
    x = 18,263,390,160,744,616/134,136,058.40
  6. Step 6: Final answer
    x = 136,155,709.20

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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.