Home / 74,375,999.80-111,563,999.70-57,369,887.80

Finding the Fourth Proportional to 74,375,999.80, 111,563,999.70 and 57,369,887.80

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Solution

The fourth proportional to 74,375,999.80, 111,563,999.70 and 57,369,887.80 is: 86,054,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,375,999.80 : 111,563,999.70 = 57,369,887.80 : x
  2. Step 2: Convert to fraction form
    74,375,999.80/111,563,999.70 = 57,369,887.80/x
  3. Step 3: Cross multiply
    74,375,999.80x = 111,563,999.70 × 57,369,887.80
  4. Step 4: Simplify right side
    74,375,999.80x = 6,400,414,145,308,233
  5. Step 5: Solve for x
    x = 6,400,414,145,308,233/74,375,999.80
  6. Step 6: Final answer
    x = 86,054,831.70

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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.