Home / 254,178,001.40-381,267,002.10-69,945,121.40

Finding the Fourth Proportional to 254,178,001.40, 381,267,002.10 and 69,945,121.40

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Solution

The fourth proportional to 254,178,001.40, 381,267,002.10 and 69,945,121.40 is: 104,917,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,178,001.40 : 381,267,002.10 = 69,945,121.40 : x
  2. Step 2: Convert to fraction form
    254,178,001.40/381,267,002.10 = 69,945,121.40/x
  3. Step 3: Cross multiply
    254,178,001.40x = 381,267,002.10 × 69,945,121.40
  4. Step 4: Simplify right side
    254,178,001.40x = 26,667,766,747,698,560
  5. Step 5: Solve for x
    x = 26,667,766,747,698,560/254,178,001.40
  6. Step 6: Final answer
    x = 104,917,682.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.