Home / 254,641,087,389.16-351,405,793,085.16-138,900,369,292.30

Finding the Fourth Proportional to 254,641,087,389.16, 351,405,793,085.16 and 138,900,369,292.30

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Solution

The fourth proportional to 254,641,087,389.16, 351,405,793,085.16 and 138,900,369,292.30 is: 191,683,105,548.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,641,087,389.16 : 351,405,793,085.16 = 138,900,369,292.30 : x
  2. Step 2: Convert to fraction form
    254,641,087,389.16/351,405,793,085.16 = 138,900,369,292.30/x
  3. Step 3: Cross multiply
    254,641,087,389.16x = 351,405,793,085.16 × 138,900,369,292.30
  4. Step 4: Simplify right side
    254,641,087,389.16x = 48,810,394,430,982,278,086,656
  5. Step 5: Solve for x
    x = 48,810,394,430,982,278,086,656/254,641,087,389.16
  6. Step 6: Final answer
    x = 191,683,105,548.43

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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.