Home / 73,082,044.78-100,845,084.98-40,478,831.98

Finding the Fourth Proportional to 73,082,044.78, 100,845,084.98 and 40,478,831.98

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Solution

The fourth proportional to 73,082,044.78, 100,845,084.98 and 40,478,831.98 is: 55,856,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,082,044.78 : 100,845,084.98 = 40,478,831.98 : x
  2. Step 2: Convert to fraction form
    73,082,044.78/100,845,084.98 = 40,478,831.98/x
  3. Step 3: Cross multiply
    73,082,044.78x = 100,845,084.98 × 40,478,831.98
  4. Step 4: Simplify right side
    73,082,044.78x = 4,082,091,250,914,241.50
  5. Step 5: Solve for x
    x = 4,082,091,250,914,241.50/73,082,044.78
  6. Step 6: Final answer
    x = 55,856,281.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.