Home / 126,992,107.14-190,507,089.18-45,104,105.76

Finding the Fourth Proportional to 126,992,107.14, 190,507,089.18 and 45,104,105.76

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Solution

The fourth proportional to 126,992,107.14, 190,507,089.18 and 45,104,105.76 is: 67,662,881.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,992,107.14 : 190,507,089.18 = 45,104,105.76 : x
  2. Step 2: Convert to fraction form
    126,992,107.14/190,507,089.18 = 45,104,105.76/x
  3. Step 3: Cross multiply
    126,992,107.14x = 190,507,089.18 × 45,104,105.76
  4. Step 4: Simplify right side
    126,992,107.14x = 8,592,651,898,404,472
  5. Step 5: Solve for x
    x = 8,592,651,898,404,472/126,992,107.14
  6. Step 6: Final answer
    x = 67,662,881.51

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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.