Home / 118,353,406.20-163,334,951.80-66,146,610.66

Finding the Fourth Proportional to 118,353,406.20, 163,334,951.80 and 66,146,610.66

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Solution

The fourth proportional to 118,353,406.20, 163,334,951.80 and 66,146,610.66 is: 91,286,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,353,406.20 : 163,334,951.80 = 66,146,610.66 : x
  2. Step 2: Convert to fraction form
    118,353,406.20/163,334,951.80 = 66,146,610.66/x
  3. Step 3: Cross multiply
    118,353,406.20x = 163,334,951.80 × 66,146,610.66
  4. Step 4: Simplify right side
    118,353,406.20x = 10,804,053,463,884,466
  5. Step 5: Solve for x
    x = 10,804,053,463,884,466/118,353,406.20
  6. Step 6: Final answer
    x = 91,286,375.36

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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.