Home / 65,429,964.87-90,296,902.37-37,552,452.20

Finding the Fourth Proportional to 65,429,964.87, 90,296,902.37 and 37,552,452.20

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Solution

The fourth proportional to 65,429,964.87, 90,296,902.37 and 37,552,452.20 is: 51,824,421.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,429,964.87 : 90,296,902.37 = 37,552,452.20 : x
  2. Step 2: Convert to fraction form
    65,429,964.87/90,296,902.37 = 37,552,452.20/x
  3. Step 3: Cross multiply
    65,429,964.87x = 90,296,902.37 × 37,552,452.20
  4. Step 4: Simplify right side
    65,429,964.87x = 3,390,870,109,784,496.50
  5. Step 5: Solve for x
    x = 3,390,870,109,784,496.50/65,429,964.87
  6. Step 6: Final answer
    x = 51,824,421.98

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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.