Home / 55,403,999.60-83,105,999.40-54,837,129.20

Finding the Fourth Proportional to 55,403,999.60, 83,105,999.40 and 54,837,129.20

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Solution

The fourth proportional to 55,403,999.60, 83,105,999.40 and 54,837,129.20 is: 82,255,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,403,999.60 : 83,105,999.40 = 54,837,129.20 : x
  2. Step 2: Convert to fraction form
    55,403,999.60/83,105,999.40 = 54,837,129.20/x
  3. Step 3: Cross multiply
    55,403,999.60x = 83,105,999.40 × 54,837,129.20
  4. Step 4: Simplify right side
    55,403,999.60x = 4,557,294,426,392,923
  5. Step 5: Solve for x
    x = 4,557,294,426,392,923/55,403,999.60
  6. Step 6: Final answer
    x = 82,255,693.80

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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.