Home / 230,640,420.74-345,975,971.96-81,056,792.43

Finding the Fourth Proportional to 230,640,420.74, 345,975,971.96 and 81,056,792.43

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Solution

The fourth proportional to 230,640,420.74, 345,975,971.96 and 81,056,792.43 is: 121,590,580.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,640,420.74 : 345,975,971.96 = 81,056,792.43 : x
  2. Step 2: Convert to fraction form
    230,640,420.74/345,975,971.96 = 81,056,792.43/x
  3. Step 3: Cross multiply
    230,640,420.74x = 345,975,971.96 × 81,056,792.43
  4. Step 4: Simplify right side
    230,640,420.74x = 28,043,702,544,523,936
  5. Step 5: Solve for x
    x = 28,043,702,544,523,936/230,640,420.74
  6. Step 6: Final answer
    x = 121,590,580.07

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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.