Home / 149,712,330.80-224,568,496.20-85,215,076.40

Finding the Fourth Proportional to 149,712,330.80, 224,568,496.20 and 85,215,076.40

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Solution

The fourth proportional to 149,712,330.80, 224,568,496.20 and 85,215,076.40 is: 127,822,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,712,330.80 : 224,568,496.20 = 85,215,076.40 : x
  2. Step 2: Convert to fraction form
    149,712,330.80/224,568,496.20 = 85,215,076.40/x
  3. Step 3: Cross multiply
    149,712,330.80x = 224,568,496.20 × 85,215,076.40
  4. Step 4: Simplify right side
    149,712,330.80x = 19,136,621,560,716,112
  5. Step 5: Solve for x
    x = 19,136,621,560,716,112/149,712,330.80
  6. Step 6: Final answer
    x = 127,822,614.60

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1.5x scale

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.