Home / 72,769,346.80-109,154,020.20-48,216,772.60

Finding the Fourth Proportional to 72,769,346.80, 109,154,020.20 and 48,216,772.60

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Solution

The fourth proportional to 72,769,346.80, 109,154,020.20 and 48,216,772.60 is: 72,325,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,769,346.80 : 109,154,020.20 = 48,216,772.60 : x
  2. Step 2: Convert to fraction form
    72,769,346.80/109,154,020.20 = 48,216,772.60/x
  3. Step 3: Cross multiply
    72,769,346.80x = 109,154,020.20 × 48,216,772.60
  4. Step 4: Simplify right side
    72,769,346.80x = 5,263,054,570,359,207
  5. Step 5: Solve for x
    x = 5,263,054,570,359,207/72,769,346.80
  6. Step 6: Final answer
    x = 72,325,158.90

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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.