Home / 225,477,989.84-311,149,212.36-127,693,549.52

Finding the Fourth Proportional to 225,477,989.84, 311,149,212.36 and 127,693,549.52

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Solution

The fourth proportional to 225,477,989.84, 311,149,212.36 and 127,693,549.52 is: 176,211,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,477,989.84 : 311,149,212.36 = 127,693,549.52 : x
  2. Step 2: Convert to fraction form
    225,477,989.84/311,149,212.36 = 127,693,549.52/x
  3. Step 3: Cross multiply
    225,477,989.84x = 311,149,212.36 × 127,693,549.52
  4. Step 4: Simplify right side
    225,477,989.84x = 39,731,747,356,600,656
  5. Step 5: Solve for x
    x = 39,731,747,356,600,656/225,477,989.84
  6. Step 6: Final answer
    x = 176,211,200.86

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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.