Home / 352,273,145.60-528,409,718.40-147,947,859.20

Finding the Fourth Proportional to 352,273,145.60, 528,409,718.40 and 147,947,859.20

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Solution

The fourth proportional to 352,273,145.60, 528,409,718.40 and 147,947,859.20 is: 221,921,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,273,145.60 : 528,409,718.40 = 147,947,859.20 : x
  2. Step 2: Convert to fraction form
    352,273,145.60/528,409,718.40 = 147,947,859.20/x
  3. Step 3: Cross multiply
    352,273,145.60x = 528,409,718.40 × 147,947,859.20
  4. Step 4: Simplify right side
    352,273,145.60x = 78,177,086,617,754,832
  5. Step 5: Solve for x
    x = 78,177,086,617,754,832/352,273,145.60
  6. Step 6: Final answer
    x = 221,921,788.80

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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.