Home / 317,422,337.89-438,043,841.12-176,293,532.73

Finding the Fourth Proportional to 317,422,337.89, 438,043,841.12 and 176,293,532.73

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Solution

The fourth proportional to 317,422,337.89, 438,043,841.12 and 176,293,532.73 is: 243,285,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,422,337.89 : 438,043,841.12 = 176,293,532.73 : x
  2. Step 2: Convert to fraction form
    317,422,337.89/438,043,841.12 = 176,293,532.73/x
  3. Step 3: Cross multiply
    317,422,337.89x = 438,043,841.12 × 176,293,532.73
  4. Step 4: Simplify right side
    317,422,337.89x = 77,224,296,241,162,448
  5. Step 5: Solve for x
    x = 77,224,296,241,162,448/317,422,337.89
  6. Step 6: Final answer
    x = 243,285,638.80

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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.