Home / 64,512,086.40-96,768,129.60-57,942,921.60

Finding the Fourth Proportional to 64,512,086.40, 96,768,129.60 and 57,942,921.60

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Solution

The fourth proportional to 64,512,086.40, 96,768,129.60 and 57,942,921.60 is: 86,914,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,512,086.40 : 96,768,129.60 = 57,942,921.60 : x
  2. Step 2: Convert to fraction form
    64,512,086.40/96,768,129.60 = 57,942,921.60/x
  3. Step 3: Cross multiply
    64,512,086.40x = 96,768,129.60 × 57,942,921.60
  4. Step 4: Simplify right side
    64,512,086.40x = 5,607,028,146,791,439
  5. Step 5: Solve for x
    x = 5,607,028,146,791,439/64,512,086.40
  6. Step 6: Final answer
    x = 86,914,382.40

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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.