Home / 158,461,414.83-218,672,533.06-91,478,112.33

Finding the Fourth Proportional to 158,461,414.83, 218,672,533.06 and 91,478,112.33

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Solution

The fourth proportional to 158,461,414.83, 218,672,533.06 and 91,478,112.33 is: 126,237,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,461,414.83 : 218,672,533.06 = 91,478,112.33 : x
  2. Step 2: Convert to fraction form
    158,461,414.83/218,672,533.06 = 91,478,112.33/x
  3. Step 3: Cross multiply
    158,461,414.83x = 218,672,533.06 × 91,478,112.33
  4. Step 4: Simplify right side
    158,461,414.83x = 20,003,750,542,748,320
  5. Step 5: Solve for x
    x = 20,003,750,542,748,320/158,461,414.83
  6. Step 6: Final answer
    x = 126,237,359.20

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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.