Home / 252,284,717.60-378,427,076.40-68,051,837.60

Finding the Fourth Proportional to 252,284,717.60, 378,427,076.40 and 68,051,837.60

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Solution

The fourth proportional to 252,284,717.60, 378,427,076.40 and 68,051,837.60 is: 102,077,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,284,717.60 : 378,427,076.40 = 68,051,837.60 : x
  2. Step 2: Convert to fraction form
    252,284,717.60/378,427,076.40 = 68,051,837.60/x
  3. Step 3: Cross multiply
    252,284,717.60x = 378,427,076.40 × 68,051,837.60
  4. Step 4: Simplify right side
    252,284,717.60x = 25,752,657,946,615,588
  5. Step 5: Solve for x
    x = 25,752,657,946,615,588/252,284,717.60
  6. Step 6: Final answer
    x = 102,077,756.40

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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.