Home / 127,753,314.30-191,629,971.45-73,837,640.70

Finding the Fourth Proportional to 127,753,314.30, 191,629,971.45 and 73,837,640.70

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Solution

The fourth proportional to 127,753,314.30, 191,629,971.45 and 73,837,640.70 is: 110,756,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,753,314.30 : 191,629,971.45 = 73,837,640.70 : x
  2. Step 2: Convert to fraction form
    127,753,314.30/191,629,971.45 = 73,837,640.70/x
  3. Step 3: Cross multiply
    127,753,314.30x = 191,629,971.45 × 73,837,640.70
  4. Step 4: Simplify right side
    127,753,314.30x = 14,149,504,979,276,358
  5. Step 5: Solve for x
    x = 14,149,504,979,276,358/127,753,314.30
  6. Step 6: Final answer
    x = 110,756,461.05

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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.