Home / 61,403,919.36-92,099,567.16-20,458,936.32

Finding the Fourth Proportional to 61,403,919.36, 92,099,567.16 and 20,458,936.32

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Solution

The fourth proportional to 61,403,919.36, 92,099,567.16 and 20,458,936.32 is: 30,686,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,403,919.36 : 92,099,567.16 = 20,458,936.32 : x
  2. Step 2: Convert to fraction form
    61,403,919.36/92,099,567.16 = 20,458,936.32/x
  3. Step 3: Cross multiply
    61,403,919.36x = 92,099,567.16 × 20,458,936.32
  4. Step 4: Simplify right side
    61,403,919.36x = 1,884,259,179,626,003.25
  5. Step 5: Solve for x
    x = 1,884,259,179,626,003.25/61,403,919.36
  6. Step 6: Final answer
    x = 30,686,301.45

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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.