Home / 147,496,915.60-221,056,416.60-131,246,630.80

Finding the Fourth Proportional to 147,496,915.60, 221,056,416.60 and 131,246,630.80

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Solution

The fourth proportional to 147,496,915.60, 221,056,416.60 and 131,246,630.80 is: 196,701,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,496,915.60 : 221,056,416.60 = 131,246,630.80 : x
  2. Step 2: Convert to fraction form
    147,496,915.60/221,056,416.60 = 131,246,630.80/x
  3. Step 3: Cross multiply
    147,496,915.60x = 221,056,416.60 × 131,246,630.80
  4. Step 4: Simplify right side
    147,496,915.60x = 29,012,909,895,471,188
  5. Step 5: Solve for x
    x = 29,012,909,895,471,188/147,496,915.60
  6. Step 6: Final answer
    x = 196,701,807.47

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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.