Home / 55,403,999.60-83,105,999.40-54,270,258.80

Finding the Fourth Proportional to 55,403,999.60, 83,105,999.40 and 54,270,258.80

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Solution

The fourth proportional to 55,403,999.60, 83,105,999.40 and 54,270,258.80 is: 81,405,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,403,999.60 : 83,105,999.40 = 54,270,258.80 : x
  2. Step 2: Convert to fraction form
    55,403,999.60/83,105,999.40 = 54,270,258.80/x
  3. Step 3: Cross multiply
    55,403,999.60x = 83,105,999.40 × 54,270,258.80
  4. Step 4: Simplify right side
    55,403,999.60x = 4,510,184,095,270,645
  5. Step 5: Solve for x
    x = 4,510,184,095,270,645/55,403,999.60
  6. Step 6: Final answer
    x = 81,405,388.20

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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.