Home / 121,533,527.50-167,705,625.34-68,607,318.31

Finding the Fourth Proportional to 121,533,527.50, 167,705,625.34 and 68,607,318.31

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Solution

The fourth proportional to 121,533,527.50, 167,705,625.34 and 68,607,318.31 is: 94,672,091.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,533,527.50 : 167,705,625.34 = 68,607,318.31 : x
  2. Step 2: Convert to fraction form
    121,533,527.50/167,705,625.34 = 68,607,318.31/x
  3. Step 3: Cross multiply
    121,533,527.50x = 167,705,625.34 × 68,607,318.31
  4. Step 4: Simplify right side
    121,533,527.50x = 11,505,833,220,078,982
  5. Step 5: Solve for x
    x = 11,505,833,220,078,982/121,533,527.50
  6. Step 6: Final answer
    x = 94,672,091.37

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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.