Home / 218,233,498.93-301,556,172.83-155,400,511.86

Finding the Fourth Proportional to 218,233,498.93, 301,556,172.83 and 155,400,511.86

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Solution

The fourth proportional to 218,233,498.93, 301,556,172.83 and 155,400,511.86 is: 214,733,227.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,233,498.93 : 301,556,172.83 = 155,400,511.86 : x
  2. Step 2: Convert to fraction form
    218,233,498.93/301,556,172.83 = 155,400,511.86/x
  3. Step 3: Cross multiply
    218,233,498.93x = 301,556,172.83 × 155,400,511.86
  4. Step 4: Simplify right side
    218,233,498.93x = 46,861,983,610,708,272
  5. Step 5: Solve for x
    x = 46,861,983,610,708,272/218,233,498.93
  6. Step 6: Final answer
    x = 214,733,227.67

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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.