Home / 225,712,046.88-311,167,759.68-151,385,889.60

Finding the Fourth Proportional to 225,712,046.88, 311,167,759.68 and 151,385,889.60

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Solution

The fourth proportional to 225,712,046.88, 311,167,759.68 and 151,385,889.60 is: 208,701,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,712,046.88 : 311,167,759.68 = 151,385,889.60 : x
  2. Step 2: Convert to fraction form
    225,712,046.88/311,167,759.68 = 151,385,889.60/x
  3. Step 3: Cross multiply
    225,712,046.88x = 311,167,759.68 × 151,385,889.60
  4. Step 4: Simplify right side
    225,712,046.88x = 47,106,408,113,995,808
  5. Step 5: Solve for x
    x = 47,106,408,113,995,808/225,712,046.88
  6. Step 6: Final answer
    x = 208,701,346.54

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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.