Home / 219,897,915.40-329,846,873.10-146,240,192.80

Finding the Fourth Proportional to 219,897,915.40, 329,846,873.10 and 146,240,192.80

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Solution

The fourth proportional to 219,897,915.40, 329,846,873.10 and 146,240,192.80 is: 219,360,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,897,915.40 : 329,846,873.10 = 146,240,192.80 : x
  2. Step 2: Convert to fraction form
    219,897,915.40/329,846,873.10 = 146,240,192.80/x
  3. Step 3: Cross multiply
    219,897,915.40x = 329,846,873.10 × 146,240,192.80
  4. Step 4: Simplify right side
    219,897,915.40x = 48,236,870,316,621,144
  5. Step 5: Solve for x
    x = 48,236,870,316,621,144/219,897,915.40
  6. Step 6: Final answer
    x = 219,360,289.20

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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.