Home / 225,569,185.88-311,285,476.51-127,784,041.88

Finding the Fourth Proportional to 225,569,185.88, 311,285,476.51 and 127,784,041.88

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Solution

The fourth proportional to 225,569,185.88, 311,285,476.51 and 127,784,041.88 is: 176,341,977.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,569,185.88 : 311,285,476.51 = 127,784,041.88 : x
  2. Step 2: Convert to fraction form
    225,569,185.88/311,285,476.51 = 127,784,041.88/x
  3. Step 3: Cross multiply
    225,569,185.88x = 311,285,476.51 × 127,784,041.88
  4. Step 4: Simplify right side
    225,569,185.88x = 39,777,316,365,113,704
  5. Step 5: Solve for x
    x = 39,777,316,365,113,704/225,569,185.88
  6. Step 6: Final answer
    x = 176,341,977.79

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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.