Home / 96,315,270-132,914,672.64-57,189,254.64

Finding the Fourth Proportional to 96,315,270, 132,914,672.64 and 57,189,254.64

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Solution

The fourth proportional to 96,315,270, 132,914,672.64 and 57,189,254.64 is: 78,920,933.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,315,270 : 132,914,672.64 = 57,189,254.64 : x
  2. Step 2: Convert to fraction form
    96,315,270/132,914,672.64 = 57,189,254.64/x
  3. Step 3: Cross multiply
    96,315,270x = 132,914,672.64 × 57,189,254.64
  4. Step 4: Simplify right side
    96,315,270x = 7,601,291,059,001,201
  5. Step 5: Solve for x
    x = 7,601,291,059,001,201/96,315,270
  6. Step 6: Final answer
    x = 78,920,933.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.