Home / 213,246,171.60-319,869,257.40-98,454,915.60

Finding the Fourth Proportional to 213,246,171.60, 319,869,257.40 and 98,454,915.60

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Solution

The fourth proportional to 213,246,171.60, 319,869,257.40 and 98,454,915.60 is: 147,682,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,246,171.60 : 319,869,257.40 = 98,454,915.60 : x
  2. Step 2: Convert to fraction form
    213,246,171.60/319,869,257.40 = 98,454,915.60/x
  3. Step 3: Cross multiply
    213,246,171.60x = 319,869,257.40 × 98,454,915.60
  4. Step 4: Simplify right side
    213,246,171.60x = 31,492,700,740,351,672
  5. Step 5: Solve for x
    x = 31,492,700,740,351,672/213,246,171.60
  6. Step 6: Final answer
    x = 147,682,373.40

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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.