Home / 248,208,118.91-342,516,150.47-142,285,598.68

Finding the Fourth Proportional to 248,208,118.91, 342,516,150.47 and 142,285,598.68

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Solution

The fourth proportional to 248,208,118.91, 342,516,150.47 and 142,285,598.68 is: 196,347,789.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,208,118.91 : 342,516,150.47 = 142,285,598.68 : x
  2. Step 2: Convert to fraction form
    248,208,118.91/342,516,150.47 = 142,285,598.68/x
  3. Step 3: Cross multiply
    248,208,118.91x = 342,516,150.47 × 142,285,598.68
  4. Step 4: Simplify right side
    248,208,118.91x = 48,735,115,524,768,904
  5. Step 5: Solve for x
    x = 48,735,115,524,768,904/248,208,118.91
  6. Step 6: Final answer
    x = 196,347,789.66

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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.