Home / 254,641,087,027.58-351,405,792,585.96-138,900,368,930.69

Finding the Fourth Proportional to 254,641,087,027.58, 351,405,792,585.96 and 138,900,368,930.69

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Solution

The fourth proportional to 254,641,087,027.58, 351,405,792,585.96 and 138,900,368,930.69 is: 191,683,105,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,641,087,027.58 : 351,405,792,585.96 = 138,900,368,930.69 : x
  2. Step 2: Convert to fraction form
    254,641,087,027.58/351,405,792,585.96 = 138,900,368,930.69/x
  3. Step 3: Cross multiply
    254,641,087,027.58x = 351,405,792,585.96 × 138,900,368,930.69
  4. Step 4: Simplify right side
    254,641,087,027.58x = 48,810,394,234,571,376,820,224
  5. Step 5: Solve for x
    x = 48,810,394,234,571,376,820,224/254,641,087,027.58
  6. Step 6: Final answer
    x = 191,683,105,049.28

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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.