Home / 107,209,334.78-160,831,939.17-84,179,340.38

Finding the Fourth Proportional to 107,209,334.78, 160,831,939.17 and 84,179,340.38

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Solution

The fourth proportional to 107,209,334.78, 160,831,939.17 and 84,179,340.38 is: 126,283,094.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,209,334.78 : 160,831,939.17 = 84,179,340.38 : x
  2. Step 2: Convert to fraction form
    107,209,334.78/160,831,939.17 = 84,179,340.38/x
  3. Step 3: Cross multiply
    107,209,334.78x = 160,831,939.17 × 84,179,340.38
  4. Step 4: Simplify right side
    107,209,334.78x = 13,538,726,551,366,882
  5. Step 5: Solve for x
    x = 13,538,726,551,366,882/107,209,334.78
  6. Step 6: Final answer
    x = 126,283,094.46

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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.