Home / 254,641,086,881.20-351,405,792,384.33-138,900,368,784.58

Finding the Fourth Proportional to 254,641,086,881.20, 351,405,792,384.33 and 138,900,368,784.58

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Solution

The fourth proportional to 254,641,086,881.20, 351,405,792,384.33 and 138,900,368,784.58 is: 191,683,104,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,641,086,881.20 : 351,405,792,384.33 = 138,900,368,784.58 : x
  2. Step 2: Convert to fraction form
    254,641,086,881.20/351,405,792,384.33 = 138,900,368,784.58/x
  3. Step 3: Cross multiply
    254,641,086,881.20x = 351,405,792,384.33 × 138,900,368,784.58
  4. Step 4: Simplify right side
    254,641,086,881.20x = 48,810,394,155,220,992,000,000
  5. Step 5: Solve for x
    x = 48,810,394,155,220,992,000,000/254,641,086,881.20
  6. Step 6: Final answer
    x = 191,683,104,847.86

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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.