Home / 225,658,818.63-311,453,829.56-146,372,139.38

Finding the Fourth Proportional to 225,658,818.63, 311,453,829.56 and 146,372,139.38

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Solution

The fourth proportional to 225,658,818.63, 311,453,829.56 and 146,372,139.38 is: 202,022,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,658,818.63 : 311,453,829.56 = 146,372,139.38 : x
  2. Step 2: Convert to fraction form
    225,658,818.63/311,453,829.56 = 146,372,139.38/x
  3. Step 3: Cross multiply
    225,658,818.63x = 311,453,829.56 × 146,372,139.38
  4. Step 4: Simplify right side
    225,658,818.63x = 45,588,163,348,501,952
  5. Step 5: Solve for x
    x = 45,588,163,348,501,952/225,658,818.63
  6. Step 6: Final answer
    x = 202,022,520.66

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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.