Home / 180,445,503.76-248,972,097.54-102,129,059.68

Finding the Fourth Proportional to 180,445,503.76, 248,972,097.54 and 102,129,059.68

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Solution

The fourth proportional to 180,445,503.76, 248,972,097.54 and 102,129,059.68 is: 140,913,936.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,445,503.76 : 248,972,097.54 = 102,129,059.68 : x
  2. Step 2: Convert to fraction form
    180,445,503.76/248,972,097.54 = 102,129,059.68/x
  3. Step 3: Cross multiply
    180,445,503.76x = 248,972,097.54 × 102,129,059.68
  4. Step 4: Simplify right side
    180,445,503.76x = 25,427,286,208,317,444
  5. Step 5: Solve for x
    x = 25,427,286,208,317,444/180,445,503.76
  6. Step 6: Final answer
    x = 140,913,936.22

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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.