Home / 77,343,999.20-115,883,288.40-36,867,327.20

Finding the Fourth Proportional to 77,343,999.20, 115,883,288.40 and 36,867,327.20

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Solution

The fourth proportional to 77,343,999.20, 115,883,288.40 and 36,867,327.20 is: 55,237,732.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,343,999.20 : 115,883,288.40 = 36,867,327.20 : x
  2. Step 2: Convert to fraction form
    77,343,999.20/115,883,288.40 = 36,867,327.20/x
  3. Step 3: Cross multiply
    77,343,999.20x = 115,883,288.40 × 36,867,327.20
  4. Step 4: Simplify right side
    77,343,999.20x = 4,272,307,110,454,765
  5. Step 5: Solve for x
    x = 4,272,307,110,454,765/77,343,999.20
  6. Step 6: Final answer
    x = 55,237,732.14

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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.