Home / 126,992,090.63-190,507,064.45-45,104,089.25

Finding the Fourth Proportional to 126,992,090.63, 190,507,064.45 and 45,104,089.25

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Solution

The fourth proportional to 126,992,090.63, 190,507,064.45 and 45,104,089.25 is: 67,662,856.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,992,090.63 : 190,507,064.45 = 45,104,089.25 : x
  2. Step 2: Convert to fraction form
    126,992,090.63/190,507,064.45 = 45,104,089.25/x
  3. Step 3: Cross multiply
    126,992,090.63x = 190,507,064.45 × 45,104,089.25
  4. Step 4: Simplify right side
    126,992,090.63x = 8,592,647,637,959,049
  5. Step 5: Solve for x
    x = 8,592,647,637,959,049/126,992,090.63
  6. Step 6: Final answer
    x = 67,662,856.76

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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.