Home / 316,466,998.35-436,724,457.72-177,237,760.11

Finding the Fourth Proportional to 316,466,998.35, 436,724,457.72 and 177,237,760.11

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Solution

The fourth proportional to 316,466,998.35, 436,724,457.72 and 177,237,760.11 is: 244,588,108.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,466,998.35 : 436,724,457.72 = 177,237,760.11 : x
  2. Step 2: Convert to fraction form
    316,466,998.35/436,724,457.72 = 177,237,760.11/x
  3. Step 3: Cross multiply
    316,466,998.35x = 436,724,457.72 × 177,237,760.11
  4. Step 4: Simplify right side
    316,466,998.35x = 77,404,064,672,695,296
  5. Step 5: Solve for x
    x = 77,404,064,672,695,296/316,466,998.35
  6. Step 6: Final answer
    x = 244,588,108.96

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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.