Home / 57,213,562.68-85,830,899.94-18,877,727.16

Finding the Fourth Proportional to 57,213,562.68, 85,830,899.94 and 18,877,727.16

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Solution

The fourth proportional to 57,213,562.68, 85,830,899.94 and 18,877,727.16 is: 28,320,073.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,213,562.68 : 85,830,899.94 = 18,877,727.16 : x
  2. Step 2: Convert to fraction form
    57,213,562.68/85,830,899.94 = 18,877,727.16/x
  3. Step 3: Cross multiply
    57,213,562.68x = 85,830,899.94 × 18,877,727.16
  4. Step 4: Simplify right side
    57,213,562.68x = 1,620,292,310,964,580.25
  5. Step 5: Solve for x
    x = 1,620,292,310,964,580.25/57,213,562.68
  6. Step 6: Final answer
    x = 28,320,073.69

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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.