Home / 254,641,086,878.95-351,405,792,381.23-138,900,368,782.32

Finding the Fourth Proportional to 254,641,086,878.95, 351,405,792,381.23 and 138,900,368,782.32

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Solution

The fourth proportional to 254,641,086,878.95, 351,405,792,381.23 and 138,900,368,782.32 is: 191,683,104,844.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,641,086,878.95 : 351,405,792,381.23 = 138,900,368,782.32 : x
  2. Step 2: Convert to fraction form
    254,641,086,878.95/351,405,792,381.23 = 138,900,368,782.32/x
  3. Step 3: Cross multiply
    254,641,086,878.95x = 351,405,792,381.23 × 138,900,368,782.32
  4. Step 4: Simplify right side
    254,641,086,878.95x = 48,810,394,153,996,221,677,568
  5. Step 5: Solve for x
    x = 48,810,394,153,996,221,677,568/254,641,086,878.95
  6. Step 6: Final answer
    x = 191,683,104,844.74

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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.