Home / 73,010,089-109,622,790.78-40,725,070.12

Finding the Fourth Proportional to 73,010,089, 109,622,790.78 and 40,725,070.12

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Solution

The fourth proportional to 73,010,089, 109,622,790.78 and 40,725,070.12 is: 61,147,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,010,089 : 109,622,790.78 = 40,725,070.12 : x
  2. Step 2: Convert to fraction form
    73,010,089/109,622,790.78 = 40,725,070.12/x
  3. Step 3: Cross multiply
    73,010,089x = 109,622,790.78 × 40,725,070.12
  4. Step 4: Simplify right side
    73,010,089x = 4,464,395,841,265,589
  5. Step 5: Solve for x
    x = 4,464,395,841,265,589/73,010,089
  6. Step 6: Final answer
    x = 61,147,656.47

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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.