Home / 65,427,103.80-90,287,848.06-35,658,691.79

Finding the Fourth Proportional to 65,427,103.80, 90,287,848.06 and 35,658,691.79

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Solution

The fourth proportional to 65,427,103.80, 90,287,848.06 and 35,658,691.79 is: 49,208,147.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,427,103.80 : 90,287,848.06 = 35,658,691.79 : x
  2. Step 2: Convert to fraction form
    65,427,103.80/90,287,848.06 = 35,658,691.79/x
  3. Step 3: Cross multiply
    65,427,103.80x = 90,287,848.06 × 35,658,691.79
  4. Step 4: Simplify right side
    65,427,103.80x = 3,219,546,546,175,596
  5. Step 5: Solve for x
    x = 3,219,546,546,175,596/65,427,103.80
  6. Step 6: Final answer
    x = 49,208,147.07

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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.