Home / 126,992,102.14-190,507,081.68-45,104,100.76

Finding the Fourth Proportional to 126,992,102.14, 190,507,081.68 and 45,104,100.76

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Solution

The fourth proportional to 126,992,102.14, 190,507,081.68 and 45,104,100.76 is: 67,662,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,992,102.14 : 190,507,081.68 = 45,104,100.76 : x
  2. Step 2: Convert to fraction form
    126,992,102.14/190,507,081.68 = 45,104,100.76/x
  3. Step 3: Cross multiply
    126,992,102.14x = 190,507,081.68 × 45,104,100.76
  4. Step 4: Simplify right side
    126,992,102.14x = 8,592,650,607,588,270
  5. Step 5: Solve for x
    x = 8,592,650,607,588,270/126,992,102.14
  6. Step 6: Final answer
    x = 67,662,874.01

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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.