Home / 121,533,525.50-167,705,622.59-68,607,316.31

Finding the Fourth Proportional to 121,533,525.50, 167,705,622.59 and 68,607,316.31

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Solution

The fourth proportional to 121,533,525.50, 167,705,622.59 and 68,607,316.31 is: 94,672,088.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,533,525.50 : 167,705,622.59 = 68,607,316.31 : x
  2. Step 2: Convert to fraction form
    121,533,525.50/167,705,622.59 = 68,607,316.31/x
  3. Step 3: Cross multiply
    121,533,525.50x = 167,705,622.59 × 68,607,316.31
  4. Step 4: Simplify right side
    121,533,525.50x = 11,505,832,694,816,048
  5. Step 5: Solve for x
    x = 11,505,832,694,816,048/121,533,525.50
  6. Step 6: Final answer
    x = 94,672,088.61

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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.