Home / 180,055,439.15-248,475,530.19-100,670,485.39

Finding the Fourth Proportional to 180,055,439.15, 248,475,530.19 and 100,670,485.39

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Solution

The fourth proportional to 180,055,439.15, 248,475,530.19 and 100,670,485.39 is: 138,924,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,055,439.15 : 248,475,530.19 = 100,670,485.39 : x
  2. Step 2: Convert to fraction form
    180,055,439.15/248,475,530.19 = 100,670,485.39/x
  3. Step 3: Cross multiply
    180,055,439.15x = 248,475,530.19 × 100,670,485.39
  4. Step 4: Simplify right side
    180,055,439.15x = 25,014,152,231,764,900
  5. Step 5: Solve for x
    x = 25,014,152,231,764,900/180,055,439.15
  6. Step 6: Final answer
    x = 138,924,724.24

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1.5x scale

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.