Home / 144,841,274.96-199,874,875.06-82,121,592.30

Finding the Fourth Proportional to 144,841,274.96, 199,874,875.06 and 82,121,592.30

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Solution

The fourth proportional to 144,841,274.96, 199,874,875.06 and 82,121,592.30 is: 113,324,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,841,274.96 : 199,874,875.06 = 82,121,592.30 : x
  2. Step 2: Convert to fraction form
    144,841,274.96/199,874,875.06 = 82,121,592.30/x
  3. Step 3: Cross multiply
    144,841,274.96x = 199,874,875.06 × 82,121,592.30
  4. Step 4: Simplify right side
    144,841,274.96x = 16,414,043,000,690,758
  5. Step 5: Solve for x
    x = 16,414,043,000,690,758/144,841,274.96
  6. Step 6: Final answer
    x = 113,324,347.67

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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.