Home / 101,188,663.52-139,640,195.76-54,778,903.52

Finding the Fourth Proportional to 101,188,663.52, 139,640,195.76 and 54,778,903.52

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Solution

The fourth proportional to 101,188,663.52, 139,640,195.76 and 54,778,903.52 is: 75,594,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,188,663.52 : 139,640,195.76 = 54,778,903.52 : x
  2. Step 2: Convert to fraction form
    101,188,663.52/139,640,195.76 = 54,778,903.52/x
  3. Step 3: Cross multiply
    101,188,663.52x = 139,640,195.76 × 54,778,903.52
  4. Step 4: Simplify right side
    101,188,663.52x = 7,649,336,811,050,953
  5. Step 5: Solve for x
    x = 7,649,336,811,050,953/101,188,663.52
  6. Step 6: Final answer
    x = 75,594,800.30

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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.