Home / 72,607,533.64-100,195,480.95-39,567,078.56

Finding the Fourth Proportional to 72,607,533.64, 100,195,480.95 and 39,567,078.56

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Solution

The fourth proportional to 72,607,533.64, 100,195,480.95 and 39,567,078.56 is: 54,600,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,607,533.64 : 100,195,480.95 = 39,567,078.56 : x
  2. Step 2: Convert to fraction form
    72,607,533.64/100,195,480.95 = 39,567,078.56/x
  3. Step 3: Cross multiply
    72,607,533.64x = 100,195,480.95 × 39,567,078.56
  4. Step 4: Simplify right side
    72,607,533.64x = 3,964,442,466,259,942
  5. Step 5: Solve for x
    x = 3,964,442,466,259,942/72,607,533.64
  6. Step 6: Final answer
    x = 54,600,979.65

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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.