Home / 203,985,017.20-306,048,384.60-89,052,043.60

Finding the Fourth Proportional to 203,985,017.20, 306,048,384.60 and 89,052,043.60

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Solution

The fourth proportional to 203,985,017.20, 306,048,384.60 and 89,052,043.60 is: 133,608,999.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,985,017.20 : 306,048,384.60 = 89,052,043.60 : x
  2. Step 2: Convert to fraction form
    203,985,017.20/306,048,384.60 = 89,052,043.60/x
  3. Step 3: Cross multiply
    203,985,017.20x = 306,048,384.60 × 89,052,043.60
  4. Step 4: Simplify right side
    203,985,017.20x = 27,254,234,089,108,768
  5. Step 5: Solve for x
    x = 27,254,234,089,108,768/203,985,017.20
  6. Step 6: Final answer
    x = 133,608,999.64

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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.