Home / 38,991,300.40-58,612,921.80-35,967,991.60

Finding the Fourth Proportional to 38,991,300.40, 58,612,921.80 and 35,967,991.60

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Solution

The fourth proportional to 38,991,300.40, 58,612,921.80 and 35,967,991.60 is: 54,068,191.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,991,300.40 : 58,612,921.80 = 35,967,991.60 : x
  2. Step 2: Convert to fraction form
    38,991,300.40/58,612,921.80 = 35,967,991.60/x
  3. Step 3: Cross multiply
    38,991,300.40x = 58,612,921.80 × 35,967,991.60
  4. Step 4: Simplify right side
    38,991,300.40x = 2,108,189,078,953,856.75
  5. Step 5: Solve for x
    x = 2,108,189,078,953,856.75/38,991,300.40
  6. Step 6: Final answer
    x = 54,068,191.04

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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.