Home / 352,273,121.60-528,409,682.40-147,947,835.20

Finding the Fourth Proportional to 352,273,121.60, 528,409,682.40 and 147,947,835.20

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Solution

The fourth proportional to 352,273,121.60, 528,409,682.40 and 147,947,835.20 is: 221,921,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,273,121.60 : 528,409,682.40 = 147,947,835.20 : x
  2. Step 2: Convert to fraction form
    352,273,121.60/528,409,682.40 = 147,947,835.20/x
  3. Step 3: Cross multiply
    352,273,121.60x = 528,409,682.40 × 147,947,835.20
  4. Step 4: Simplify right side
    352,273,121.60x = 78,177,068,609,799,536
  5. Step 5: Solve for x
    x = 78,177,068,609,799,536/352,273,121.60
  6. Step 6: Final answer
    x = 221,921,752.80

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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.