Home / 56,988,097.60-85,490,440.80-18,640,321.60

Finding the Fourth Proportional to 56,988,097.60, 85,490,440.80 and 18,640,321.60

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Solution

The fourth proportional to 56,988,097.60, 85,490,440.80 and 18,640,321.60 is: 27,963,195.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,988,097.60 : 85,490,440.80 = 18,640,321.60 : x
  2. Step 2: Convert to fraction form
    56,988,097.60/85,490,440.80 = 18,640,321.60/x
  3. Step 3: Cross multiply
    56,988,097.60x = 85,490,440.80 × 18,640,321.60
  4. Step 4: Simplify right side
    56,988,097.60x = 1,593,569,310,237,761.25
  5. Step 5: Solve for x
    x = 1,593,569,310,237,761.25/56,988,097.60
  6. Step 6: Final answer
    x = 27,963,195.43

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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.