Home / 218,233,558.86-301,556,255.63-155,400,571.77

Finding the Fourth Proportional to 218,233,558.86, 301,556,255.63 and 155,400,571.77

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Solution

The fourth proportional to 218,233,558.86, 301,556,255.63 and 155,400,571.77 is: 214,733,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,233,558.86 : 301,556,255.63 = 155,400,571.77 : x
  2. Step 2: Convert to fraction form
    218,233,558.86/301,556,255.63 = 155,400,571.77/x
  3. Step 3: Cross multiply
    218,233,558.86x = 301,556,255.63 × 155,400,571.77
  4. Step 4: Simplify right side
    218,233,558.86x = 46,862,014,545,722,288
  5. Step 5: Solve for x
    x = 46,862,014,545,722,288/218,233,558.86
  6. Step 6: Final answer
    x = 214,733,310.45

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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.