Home / 155,581,288.63-214,699,060.52-85,964,879.59

Finding the Fourth Proportional to 155,581,288.63, 214,699,060.52 and 85,964,879.59

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Solution

The fourth proportional to 155,581,288.63, 214,699,060.52 and 85,964,879.59 is: 118,629,811.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,581,288.63 : 214,699,060.52 = 85,964,879.59 : x
  2. Step 2: Convert to fraction form
    155,581,288.63/214,699,060.52 = 85,964,879.59/x
  3. Step 3: Cross multiply
    155,581,288.63x = 214,699,060.52 × 85,964,879.59
  4. Step 4: Simplify right side
    155,581,288.63x = 18,456,578,885,043,720
  5. Step 5: Solve for x
    x = 18,456,578,885,043,720/155,581,288.63
  6. Step 6: Final answer
    x = 118,629,811.13

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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.