Home / 122,393,046.70-183,589,570.05-115,212,688.30

Finding the Fourth Proportional to 122,393,046.70, 183,589,570.05 and 115,212,688.30

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Solution

The fourth proportional to 122,393,046.70, 183,589,570.05 and 115,212,688.30 is: 172,819,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,393,046.70 : 183,589,570.05 = 115,212,688.30 : x
  2. Step 2: Convert to fraction form
    122,393,046.70/183,589,570.05 = 115,212,688.30/x
  3. Step 3: Cross multiply
    122,393,046.70x = 183,589,570.05 × 115,212,688.30
  4. Step 4: Simplify right side
    122,393,046.70x = 21,151,847,909,301,668
  5. Step 5: Solve for x
    x = 21,151,847,909,301,668/122,393,046.70
  6. Step 6: Final answer
    x = 172,819,032.45

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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.