Home / 54,128,374.60-81,192,561.90-50,301,999.40

Finding the Fourth Proportional to 54,128,374.60, 81,192,561.90 and 50,301,999.40

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Solution

The fourth proportional to 54,128,374.60, 81,192,561.90 and 50,301,999.40 is: 75,452,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128,374.60 : 81,192,561.90 = 50,301,999.40 : x
  2. Step 2: Convert to fraction form
    54,128,374.60/81,192,561.90 = 50,301,999.40/x
  3. Step 3: Cross multiply
    54,128,374.60x = 81,192,561.90 × 50,301,999.40
  4. Step 4: Simplify right side
    54,128,374.60x = 4,084,148,199,978,263
  5. Step 5: Solve for x
    x = 4,084,148,199,978,263/54,128,374.60
  6. Step 6: Final answer
    x = 75,452,999.10

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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.