Home / 127,897,408.80-191,804,122.80-47,107,879.20

Finding the Fourth Proportional to 127,897,408.80, 191,804,122.80 and 47,107,879.20

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Solution

The fourth proportional to 127,897,408.80, 191,804,122.80 and 47,107,879.20 is: 70,646,352.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,897,408.80 : 191,804,122.80 = 47,107,879.20 : x
  2. Step 2: Convert to fraction form
    127,897,408.80/191,804,122.80 = 47,107,879.20/x
  3. Step 3: Cross multiply
    127,897,408.80x = 191,804,122.80 × 47,107,879.20
  4. Step 4: Simplify right side
    127,897,408.80x = 9,035,485,446,924,366
  5. Step 5: Solve for x
    x = 9,035,485,446,924,366/127,897,408.80
  6. Step 6: Final answer
    x = 70,646,352.66

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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.