Home / 56,988,105.60-85,490,452.80-18,640,329.60

Finding the Fourth Proportional to 56,988,105.60, 85,490,452.80 and 18,640,329.60

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Solution

The fourth proportional to 56,988,105.60, 85,490,452.80 and 18,640,329.60 is: 27,963,207.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,988,105.60 : 85,490,452.80 = 18,640,329.60 : x
  2. Step 2: Convert to fraction form
    56,988,105.60/85,490,452.80 = 18,640,329.60/x
  3. Step 3: Cross multiply
    56,988,105.60x = 85,490,452.80 × 18,640,329.60
  4. Step 4: Simplify right side
    56,988,105.60x = 1,593,570,217,845,243
  5. Step 5: Solve for x
    x = 1,593,570,217,845,243/56,988,105.60
  6. Step 6: Final answer
    x = 27,963,207.43

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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.