Home / 117,872,472.24-162,668,912.58-65,661,493.86

Finding the Fourth Proportional to 117,872,472.24, 162,668,912.58 and 65,661,493.86

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Solution

The fourth proportional to 117,872,472.24, 162,668,912.58 and 65,661,493.86 is: 90,615,591.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,872,472.24 : 162,668,912.58 = 65,661,493.86 : x
  2. Step 2: Convert to fraction form
    117,872,472.24/162,668,912.58 = 65,661,493.86/x
  3. Step 3: Cross multiply
    117,872,472.24x = 162,668,912.58 × 65,661,493.86
  4. Step 4: Simplify right side
    117,872,472.24x = 10,681,083,804,584,548
  5. Step 5: Solve for x
    x = 10,681,083,804,584,548/117,872,472.24
  6. Step 6: Final answer
    x = 90,615,591.59

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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.