Home / 285,530,383-394,034,290.52-155,150,191

Finding the Fourth Proportional to 285,530,383, 394,034,290.52 and 155,150,191

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Solution

The fourth proportional to 285,530,383, 394,034,290.52 and 155,150,191 is: 214,108,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,530,383 : 394,034,290.52 = 155,150,191 : x
  2. Step 2: Convert to fraction form
    285,530,383/394,034,290.52 = 155,150,191/x
  3. Step 3: Cross multiply
    285,530,383x = 394,034,290.52 × 155,150,191
  4. Step 4: Simplify right side
    285,530,383x = 61,134,495,434,727,488
  5. Step 5: Solve for x
    x = 61,134,495,434,727,488/285,530,383
  6. Step 6: Final answer
    x = 214,108,547.02

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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.