Home / 134,136,031.90-201,204,047.85-90,770,446.30

Finding the Fourth Proportional to 134,136,031.90, 201,204,047.85 and 90,770,446.30

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Solution

The fourth proportional to 134,136,031.90, 201,204,047.85 and 90,770,446.30 is: 136,155,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,136,031.90 : 201,204,047.85 = 90,770,446.30 : x
  2. Step 2: Convert to fraction form
    134,136,031.90/201,204,047.85 = 90,770,446.30/x
  3. Step 3: Cross multiply
    134,136,031.90x = 201,204,047.85 × 90,770,446.30
  4. Step 4: Simplify right side
    134,136,031.90x = 18,263,381,220,711,056
  5. Step 5: Solve for x
    x = 18,263,381,220,711,056/134,136,031.90
  6. Step 6: Final answer
    x = 136,155,669.45

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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.