Home / 158,922,302.60-238,383,453.90-81,438,204.80

Finding the Fourth Proportional to 158,922,302.60, 238,383,453.90 and 81,438,204.80

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Solution

The fourth proportional to 158,922,302.60, 238,383,453.90 and 81,438,204.80 is: 122,157,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,922,302.60 : 238,383,453.90 = 81,438,204.80 : x
  2. Step 2: Convert to fraction form
    158,922,302.60/238,383,453.90 = 81,438,204.80/x
  3. Step 3: Cross multiply
    158,922,302.60x = 238,383,453.90 × 81,438,204.80
  4. Step 4: Simplify right side
    158,922,302.60x = 19,413,520,539,639,560
  5. Step 5: Solve for x
    x = 19,413,520,539,639,560/158,922,302.60
  6. Step 6: Final answer
    x = 122,157,307.20

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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.