Home / 218,233,497.94-301,556,171.46-155,400,510.86

Finding the Fourth Proportional to 218,233,497.94, 301,556,171.46 and 155,400,510.86

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Solution

The fourth proportional to 218,233,497.94, 301,556,171.46 and 155,400,510.86 is: 214,733,226.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,233,497.94 : 301,556,171.46 = 155,400,510.86 : x
  2. Step 2: Convert to fraction form
    218,233,497.94/301,556,171.46 = 155,400,510.86/x
  3. Step 3: Cross multiply
    218,233,497.94x = 301,556,171.46 × 155,400,510.86
  4. Step 4: Simplify right side
    218,233,497.94x = 46,861,983,098,807,120
  5. Step 5: Solve for x
    x = 46,861,983,098,807,120/218,233,497.94
  6. Step 6: Final answer
    x = 214,733,226.30

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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.