Home / 150,794,356.54-208,113,062.30-91,288,439.54

Finding the Fourth Proportional to 150,794,356.54, 208,113,062.30 and 91,288,439.54

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Solution

The fourth proportional to 150,794,356.54, 208,113,062.30 and 91,288,439.54 is: 125,988,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,794,356.54 : 208,113,062.30 = 91,288,439.54 : x
  2. Step 2: Convert to fraction form
    150,794,356.54/208,113,062.30 = 91,288,439.54/x
  3. Step 3: Cross multiply
    150,794,356.54x = 208,113,062.30 × 91,288,439.54
  4. Step 4: Simplify right side
    150,794,356.54x = 18,998,316,705,257,804
  5. Step 5: Solve for x
    x = 18,998,316,705,257,804/150,794,356.54
  6. Step 6: Final answer
    x = 125,988,247.45

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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.