Home / 72,171,093.40-108,256,640.10-58,566,203.80

Finding the Fourth Proportional to 72,171,093.40, 108,256,640.10 and 58,566,203.80

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Solution

The fourth proportional to 72,171,093.40, 108,256,640.10 and 58,566,203.80 is: 87,849,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,171,093.40 : 108,256,640.10 = 58,566,203.80 : x
  2. Step 2: Convert to fraction form
    72,171,093.40/108,256,640.10 = 58,566,203.80/x
  3. Step 3: Cross multiply
    72,171,093.40x = 108,256,640.10 × 58,566,203.80
  4. Step 4: Simplify right side
    72,171,093.40x = 6,340,180,446,799,852
  5. Step 5: Solve for x
    x = 6,340,180,446,799,852/72,171,093.40
  6. Step 6: Final answer
    x = 87,849,305.70

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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.