Home / 53,665,507.60-80,458,895.40-21,301,406.80

Finding the Fourth Proportional to 53,665,507.60, 80,458,895.40 and 21,301,406.80

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Solution

The fourth proportional to 53,665,507.60, 80,458,895.40 and 21,301,406.80 is: 31,936,484.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,665,507.60 : 80,458,895.40 = 21,301,406.80 : x
  2. Step 2: Convert to fraction form
    53,665,507.60/80,458,895.40 = 21,301,406.80/x
  3. Step 3: Cross multiply
    53,665,507.60x = 80,458,895.40 × 21,301,406.80
  4. Step 4: Simplify right side
    53,665,507.60x = 1,713,887,661,594,049
  5. Step 5: Solve for x
    x = 1,713,887,661,594,049/53,665,507.60
  6. Step 6: Final answer
    x = 31,936,484.69

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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.