Home / 65,648,485.44-90,596,720.16-36,281,721.60

Finding the Fourth Proportional to 65,648,485.44, 90,596,720.16 and 36,281,721.60

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Solution

The fourth proportional to 65,648,485.44, 90,596,720.16 and 36,281,721.60 is: 50,069,776.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,648,485.44 : 90,596,720.16 = 36,281,721.60 : x
  2. Step 2: Convert to fraction form
    65,648,485.44/90,596,720.16 = 36,281,721.60/x
  3. Step 3: Cross multiply
    65,648,485.44x = 90,596,720.16 × 36,281,721.60
  4. Step 4: Simplify right side
    65,648,485.44x = 3,287,004,978,718,227.50
  5. Step 5: Solve for x
    x = 3,287,004,978,718,227.50/65,648,485.44
  6. Step 6: Final answer
    x = 50,069,776.27

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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.