Home / 254,641,086,879.95-351,405,792,382.61-138,900,368,783.32

Finding the Fourth Proportional to 254,641,086,879.95, 351,405,792,382.61 and 138,900,368,783.32

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Solution

The fourth proportional to 254,641,086,879.95, 351,405,792,382.61 and 138,900,368,783.32 is: 191,683,104,846.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,641,086,879.95 : 351,405,792,382.61 = 138,900,368,783.32 : x
  2. Step 2: Convert to fraction form
    254,641,086,879.95/351,405,792,382.61 = 138,900,368,783.32/x
  3. Step 3: Cross multiply
    254,641,086,879.95x = 351,405,792,382.61 × 138,900,368,783.32
  4. Step 4: Simplify right side
    254,641,086,879.95x = 48,810,394,154,539,308,548,096
  5. Step 5: Solve for x
    x = 48,810,394,154,539,308,548,096/254,641,086,879.95
  6. Step 6: Final answer
    x = 191,683,104,846.12

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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.