Home / 199,362,272.80-298,446,212.40-118,541,639.20

Finding the Fourth Proportional to 199,362,272.80, 298,446,212.40 and 118,541,639.20

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Solution

The fourth proportional to 199,362,272.80, 298,446,212.40 and 118,541,639.20 is: 177,457,363.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,362,272.80 : 298,446,212.40 = 118,541,639.20 : x
  2. Step 2: Convert to fraction form
    199,362,272.80/298,446,212.40 = 118,541,639.20/x
  3. Step 3: Cross multiply
    199,362,272.80x = 298,446,212.40 × 118,541,639.20
  4. Step 4: Simplify right side
    199,362,272.80x = 35,378,303,230,927,364
  5. Step 5: Solve for x
    x = 35,378,303,230,927,364/199,362,272.80
  6. Step 6: Final answer
    x = 177,457,363.09

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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.