Home / 281,263,273.02-388,106,508.24-162,190,263.15

Finding the Fourth Proportional to 281,263,273.02, 388,106,508.24 and 162,190,263.15

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Solution

The fourth proportional to 281,263,273.02, 388,106,508.24 and 162,190,263.15 is: 223,801,337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,263,273.02 : 388,106,508.24 = 162,190,263.15 : x
  2. Step 2: Convert to fraction form
    281,263,273.02/388,106,508.24 = 162,190,263.15/x
  3. Step 3: Cross multiply
    281,263,273.02x = 388,106,508.24 × 162,190,263.15
  4. Step 4: Simplify right side
    281,263,273.02x = 62,947,096,701,673,248
  5. Step 5: Solve for x
    x = 62,947,096,701,673,248/281,263,273.02
  6. Step 6: Final answer
    x = 223,801,337.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.