Home / 127,568,622.47-191,197,476.27-66,123,906.12

Finding the Fourth Proportional to 127,568,622.47, 191,197,476.27 and 66,123,906.12

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Solution

The fourth proportional to 127,568,622.47, 191,197,476.27 and 66,123,906.12 is: 99,105,279.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,568,622.47 : 191,197,476.27 = 66,123,906.12 : x
  2. Step 2: Convert to fraction form
    127,568,622.47/191,197,476.27 = 66,123,906.12/x
  3. Step 3: Cross multiply
    127,568,622.47x = 191,197,476.27 × 66,123,906.12
  4. Step 4: Simplify right side
    127,568,622.47x = 12,642,723,971,258,408
  5. Step 5: Solve for x
    x = 12,642,723,971,258,408/127,568,622.47
  6. Step 6: Final answer
    x = 99,105,279.39

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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.