Home / 118,112,015.70-177,168,023.55-104,081,973.30

Finding the Fourth Proportional to 118,112,015.70, 177,168,023.55 and 104,081,973.30

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Solution

The fourth proportional to 118,112,015.70, 177,168,023.55 and 104,081,973.30 is: 156,122,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,112,015.70 : 177,168,023.55 = 104,081,973.30 : x
  2. Step 2: Convert to fraction form
    118,112,015.70/177,168,023.55 = 104,081,973.30/x
  3. Step 3: Cross multiply
    118,112,015.70x = 177,168,023.55 × 104,081,973.30
  4. Step 4: Simplify right side
    118,112,015.70x = 18,439,997,496,744,872
  5. Step 5: Solve for x
    x = 18,439,997,496,744,872/118,112,015.70
  6. Step 6: Final answer
    x = 156,122,959.95

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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.