Home / 138,340,322.76-190,909,483.60-75,616,832.64

Finding the Fourth Proportional to 138,340,322.76, 190,909,483.60 and 75,616,832.64

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Solution

The fourth proportional to 138,340,322.76, 190,909,483.60 and 75,616,832.64 is: 104,351,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,340,322.76 : 190,909,483.60 = 75,616,832.64 : x
  2. Step 2: Convert to fraction form
    138,340,322.76/190,909,483.60 = 75,616,832.64/x
  3. Step 3: Cross multiply
    138,340,322.76x = 190,909,483.60 × 75,616,832.64
  4. Step 4: Simplify right side
    138,340,322.76x = 14,435,970,470,770,024
  5. Step 5: Solve for x
    x = 14,435,970,470,770,024/138,340,322.76
  6. Step 6: Final answer
    x = 104,351,140.60

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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.