Home / 139,260,858.92-192,184,308.10-76,535,815.60

Finding the Fourth Proportional to 139,260,858.92, 192,184,308.10 and 76,535,815.60

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Solution

The fourth proportional to 139,260,858.92, 192,184,308.10 and 76,535,815.60 is: 105,621,801.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,260,858.92 : 192,184,308.10 = 76,535,815.60 : x
  2. Step 2: Convert to fraction form
    139,260,858.92/192,184,308.10 = 76,535,815.60/x
  3. Step 3: Cross multiply
    139,260,858.92x = 192,184,308.10 × 76,535,815.60
  4. Step 4: Simplify right side
    139,260,858.92x = 14,708,982,765,955,184
  5. Step 5: Solve for x
    x = 14,708,982,765,955,184/139,260,858.92
  6. Step 6: Final answer
    x = 105,621,801.27

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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.