Home / 126,656,589.23-190,107,435.72-61,123,859.18

Finding the Fourth Proportional to 126,656,589.23, 190,107,435.72 and 61,123,859.18

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Solution

The fourth proportional to 126,656,589.23, 190,107,435.72 and 61,123,859.18 is: 91,744,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,656,589.23 : 190,107,435.72 = 61,123,859.18 : x
  2. Step 2: Convert to fraction form
    126,656,589.23/190,107,435.72 = 61,123,859.18/x
  3. Step 3: Cross multiply
    126,656,589.23x = 190,107,435.72 × 61,123,859.18
  4. Step 4: Simplify right side
    126,656,589.23x = 11,620,100,130,383,936
  5. Step 5: Solve for x
    x = 11,620,100,130,383,936/126,656,589.23
  6. Step 6: Final answer
    x = 91,744,931.72

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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.