Home / 102,129,677.57-140,938,794.29-55,719,935.60

Finding the Fourth Proportional to 102,129,677.57, 140,938,794.29 and 55,719,935.60

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Solution

The fourth proportional to 102,129,677.57, 140,938,794.29 and 55,719,935.60 is: 76,893,423.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,129,677.57 : 140,938,794.29 = 55,719,935.60 : x
  2. Step 2: Convert to fraction form
    102,129,677.57/140,938,794.29 = 55,719,935.60/x
  3. Step 3: Cross multiply
    102,129,677.57x = 140,938,794.29 × 55,719,935.60
  4. Step 4: Simplify right side
    102,129,677.57x = 7,853,100,540,815,053
  5. Step 5: Solve for x
    x = 7,853,100,540,815,053/102,129,677.57
  6. Step 6: Final answer
    x = 76,893,423.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.