Home / 201,020,804.80-301,531,207.20-132,146,051.20

Finding the Fourth Proportional to 201,020,804.80, 301,531,207.20 and 132,146,051.20

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Solution

The fourth proportional to 201,020,804.80, 301,531,207.20 and 132,146,051.20 is: 198,219,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,020,804.80 : 301,531,207.20 = 132,146,051.20 : x
  2. Step 2: Convert to fraction form
    201,020,804.80/301,531,207.20 = 132,146,051.20/x
  3. Step 3: Cross multiply
    201,020,804.80x = 301,531,207.20 × 132,146,051.20
  4. Step 4: Simplify right side
    201,020,804.80x = 39,846,158,345,049,008
  5. Step 5: Solve for x
    x = 39,846,158,345,049,008/201,020,804.80
  6. Step 6: Final answer
    x = 198,219,076.80

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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.