Home / 57,069,173-85,585,777.14-18,721,751.24

Finding the Fourth Proportional to 57,069,173, 85,585,777.14 and 18,721,751.24

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Solution

The fourth proportional to 57,069,173, 85,585,777.14 and 18,721,751.24 is: 28,076,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,069,173 : 85,585,777.14 = 18,721,751.24 : x
  2. Step 2: Convert to fraction form
    57,069,173/85,585,777.14 = 18,721,751.24/x
  3. Step 3: Cross multiply
    57,069,173x = 85,585,777.14 × 18,721,751.24
  4. Step 4: Simplify right side
    57,069,173x = 1,602,315,629,297,158.50
  5. Step 5: Solve for x
    x = 1,602,315,629,297,158.50/57,069,173
  6. Step 6: Final answer
    x = 28,076,727.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.