Home / 84,243,623.40-126,113,492.70-50,147,418.60

Finding the Fourth Proportional to 84,243,623.40, 126,113,492.70 and 50,147,418.60

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Solution

The fourth proportional to 84,243,623.40, 126,113,492.70 and 50,147,418.60 is: 75,071,154.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,243,623.40 : 126,113,492.70 = 50,147,418.60 : x
  2. Step 2: Convert to fraction form
    84,243,623.40/126,113,492.70 = 50,147,418.60/x
  3. Step 3: Cross multiply
    84,243,623.40x = 126,113,492.70 × 50,147,418.60
  4. Step 4: Simplify right side
    84,243,623.40x = 6,324,266,109,534,945
  5. Step 5: Solve for x
    x = 6,324,266,109,534,945/84,243,623.40
  6. Step 6: Final answer
    x = 75,071,154.99

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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.