Home / 130,340,698.20-179,872,005.83-71,608,791.33

Finding the Fourth Proportional to 130,340,698.20, 179,872,005.83 and 71,608,791.33

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Solution

The fourth proportional to 130,340,698.20, 179,872,005.83 and 71,608,791.33 is: 98,821,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,340,698.20 : 179,872,005.83 = 71,608,791.33 : x
  2. Step 2: Convert to fraction form
    130,340,698.20/179,872,005.83 = 71,608,791.33/x
  3. Step 3: Cross multiply
    130,340,698.20x = 179,872,005.83 × 71,608,791.33
  4. Step 4: Simplify right side
    130,340,698.20x = 12,880,416,931,230,968
  5. Step 5: Solve for x
    x = 12,880,416,931,230,968/130,340,698.20
  6. Step 6: Final answer
    x = 98,821,144.19

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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.