Home / 123,567,290.21-170,511,590.47-73,322,851.32

Finding the Fourth Proportional to 123,567,290.21, 170,511,590.47 and 73,322,851.32

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Solution

The fourth proportional to 123,567,290.21, 170,511,590.47 and 73,322,851.32 is: 101,178,847.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,567,290.21 : 170,511,590.47 = 73,322,851.32 : x
  2. Step 2: Convert to fraction form
    123,567,290.21/170,511,590.47 = 73,322,851.32/x
  3. Step 3: Cross multiply
    123,567,290.21x = 170,511,590.47 × 73,322,851.32
  4. Step 4: Simplify right side
    123,567,290.21x = 12,502,395,996,368,538
  5. Step 5: Solve for x
    x = 12,502,395,996,368,538/123,567,290.21
  6. Step 6: Final answer
    x = 101,178,847.37

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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.