Home / 147,822,352.55-203,996,167.64-81,747,296.11

Finding the Fourth Proportional to 147,822,352.55, 203,996,167.64 and 81,747,296.11

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Solution

The fourth proportional to 147,822,352.55, 203,996,167.64 and 81,747,296.11 is: 112,811,999.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,822,352.55 : 203,996,167.64 = 81,747,296.11 : x
  2. Step 2: Convert to fraction form
    147,822,352.55/203,996,167.64 = 81,747,296.11/x
  3. Step 3: Cross multiply
    147,822,352.55x = 203,996,167.64 × 81,747,296.11
  4. Step 4: Simplify right side
    147,822,352.55x = 16,676,135,121,372,278
  5. Step 5: Solve for x
    x = 16,676,135,121,372,278/147,822,352.55
  6. Step 6: Final answer
    x = 112,811,999.23

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Why These Related Problems?

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