Home / 301,105,422.90-451,658,134.35-163,355,915.70

Finding the Fourth Proportional to 301,105,422.90, 451,658,134.35 and 163,355,915.70

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Solution

The fourth proportional to 301,105,422.90, 451,658,134.35 and 163,355,915.70 is: 245,033,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,105,422.90 : 451,658,134.35 = 163,355,915.70 : x
  2. Step 2: Convert to fraction form
    301,105,422.90/451,658,134.35 = 163,355,915.70/x
  3. Step 3: Cross multiply
    301,105,422.90x = 451,658,134.35 × 163,355,915.70
  4. Step 4: Simplify right side
    301,105,422.90x = 73,781,028,120,097,872
  5. Step 5: Solve for x
    x = 73,781,028,120,097,872/301,105,422.90
  6. Step 6: Final answer
    x = 245,033,873.55

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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.