Home / 74,714,910.70-112,072,366.05-71,845,129.30

Finding the Fourth Proportional to 74,714,910.70, 112,072,366.05 and 71,845,129.30

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Solution

The fourth proportional to 74,714,910.70, 112,072,366.05 and 71,845,129.30 is: 107,767,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,714,910.70 : 112,072,366.05 = 71,845,129.30 : x
  2. Step 2: Convert to fraction form
    74,714,910.70/112,072,366.05 = 71,845,129.30/x
  3. Step 3: Cross multiply
    74,714,910.70x = 112,072,366.05 × 71,845,129.30
  4. Step 4: Simplify right side
    74,714,910.70x = 8,051,853,629,819,180
  5. Step 5: Solve for x
    x = 8,051,853,629,819,180/74,714,910.70
  6. Step 6: Final answer
    x = 107,767,693.95

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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.