Home / 57,069,175.88-85,585,781.45-18,721,754.12

Finding the Fourth Proportional to 57,069,175.88, 85,585,781.45 and 18,721,754.12

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Solution

The fourth proportional to 57,069,175.88, 85,585,781.45 and 18,721,754.12 is: 28,076,731.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,069,175.88 : 85,585,781.45 = 18,721,754.12 : x
  2. Step 2: Convert to fraction form
    57,069,175.88/85,585,781.45 = 18,721,754.12/x
  3. Step 3: Cross multiply
    57,069,175.88x = 85,585,781.45 × 18,721,754.12
  4. Step 4: Simplify right side
    57,069,175.88x = 1,602,315,956,093,832.50
  5. Step 5: Solve for x
    x = 1,602,315,956,093,832.50/57,069,175.88
  6. Step 6: Final answer
    x = 28,076,731.99

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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.