Home / 306,320,770.11-422,725,360.65-167,092,151.07

Finding the Fourth Proportional to 306,320,770.11, 422,725,360.65 and 167,092,151.07

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Solution

The fourth proportional to 306,320,770.11, 422,725,360.65 and 167,092,151.07 is: 230,588,640.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,320,770.11 : 422,725,360.65 = 167,092,151.07 : x
  2. Step 2: Convert to fraction form
    306,320,770.11/422,725,360.65 = 167,092,151.07/x
  3. Step 3: Cross multiply
    306,320,770.11x = 422,725,360.65 × 167,092,151.07
  4. Step 4: Simplify right side
    306,320,770.11x = 70,634,089,822,850,024
  5. Step 5: Solve for x
    x = 70,634,089,822,850,024/306,320,770.11
  6. Step 6: Final answer
    x = 230,588,640.13

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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.