Home / 254,178,045.90-381,267,068.85-69,945,165.90

Finding the Fourth Proportional to 254,178,045.90, 381,267,068.85 and 69,945,165.90

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Solution

The fourth proportional to 254,178,045.90, 381,267,068.85 and 69,945,165.90 is: 104,917,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,178,045.90 : 381,267,068.85 = 69,945,165.90 : x
  2. Step 2: Convert to fraction form
    254,178,045.90/381,267,068.85 = 69,945,165.90/x
  3. Step 3: Cross multiply
    254,178,045.90x = 381,267,068.85 × 69,945,165.90
  4. Step 4: Simplify right side
    254,178,045.90x = 26,667,788,382,919,976
  5. Step 5: Solve for x
    x = 26,667,788,382,919,976/254,178,045.90
  6. Step 6: Final answer
    x = 104,917,748.85

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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.