Home / 172,066,109.04-258,098,929.02-79,899,447.96

Finding the Fourth Proportional to 172,066,109.04, 258,098,929.02 and 79,899,447.96

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Solution

The fourth proportional to 172,066,109.04, 258,098,929.02 and 79,899,447.96 is: 119,849,063.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,066,109.04 : 258,098,929.02 = 79,899,447.96 : x
  2. Step 2: Convert to fraction form
    172,066,109.04/258,098,929.02 = 79,899,447.96/x
  3. Step 3: Cross multiply
    172,066,109.04x = 258,098,929.02 × 79,899,447.96
  4. Step 4: Simplify right side
    172,066,109.04x = 20,621,961,947,365,724
  5. Step 5: Solve for x
    x = 20,621,961,947,365,724/172,066,109.04
  6. Step 6: Final answer
    x = 119,849,063.03

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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.