Home / 381,548,090.99-526,650,547.70-222,821,029.78

Finding the Fourth Proportional to 381,548,090.99, 526,650,547.70 and 222,821,029.78

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Solution

The fourth proportional to 381,548,090.99, 526,650,547.70 and 222,821,029.78 is: 307,559,702.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,548,090.99 : 526,650,547.70 = 222,821,029.78 : x
  2. Step 2: Convert to fraction form
    381,548,090.99/526,650,547.70 = 222,821,029.78/x
  3. Step 3: Cross multiply
    381,548,090.99x = 526,650,547.70 × 222,821,029.78
  4. Step 4: Simplify right side
    381,548,090.99x = 117,348,817,370,081,760
  5. Step 5: Solve for x
    x = 117,348,817,370,081,760/381,548,090.99
  6. Step 6: Final answer
    x = 307,559,702.54

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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.