Home / 126,485,670-174,530,921.82-71,461,449.84

Finding the Fourth Proportional to 126,485,670, 174,530,921.82 and 71,461,449.84

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Solution

The fourth proportional to 126,485,670, 174,530,921.82 and 71,461,449.84 is: 98,605,895.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,485,670 : 174,530,921.82 = 71,461,449.84 : x
  2. Step 2: Convert to fraction form
    126,485,670/174,530,921.82 = 71,461,449.84/x
  3. Step 3: Cross multiply
    126,485,670x = 174,530,921.82 × 71,461,449.84
  4. Step 4: Simplify right side
    126,485,670x = 12,472,232,715,168,892
  5. Step 5: Solve for x
    x = 12,472,232,715,168,892/126,485,670
  6. Step 6: Final answer
    x = 98,605,895.16

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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.