Home / 65,429,965.12-90,296,902.72-37,552,452.45

Finding the Fourth Proportional to 65,429,965.12, 90,296,902.72 and 37,552,452.45

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Solution

The fourth proportional to 65,429,965.12, 90,296,902.72 and 37,552,452.45 is: 51,824,422.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,429,965.12 : 90,296,902.72 = 37,552,452.45 : x
  2. Step 2: Convert to fraction form
    65,429,965.12/90,296,902.72 = 37,552,452.45/x
  3. Step 3: Cross multiply
    65,429,965.12x = 90,296,902.72 × 37,552,452.45
  4. Step 4: Simplify right side
    65,429,965.12x = 3,390,870,145,229,710
  5. Step 5: Solve for x
    x = 3,390,870,145,229,710/65,429,965.12
  6. Step 6: Final answer
    x = 51,824,422.33

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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.