Home / 60,490,821.60-90,736,232.40-20,101,305.60

Finding the Fourth Proportional to 60,490,821.60, 90,736,232.40 and 20,101,305.60

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Solution

The fourth proportional to 60,490,821.60, 90,736,232.40 and 20,101,305.60 is: 30,151,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,490,821.60 : 90,736,232.40 = 20,101,305.60 : x
  2. Step 2: Convert to fraction form
    60,490,821.60/90,736,232.40 = 20,101,305.60/x
  3. Step 3: Cross multiply
    60,490,821.60x = 90,736,232.40 × 20,101,305.60
  4. Step 4: Simplify right side
    60,490,821.60x = 1,823,916,736,465,021.75
  5. Step 5: Solve for x
    x = 1,823,916,736,465,021.75/60,490,821.60
  6. Step 6: Final answer
    x = 30,151,958.40

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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.