Home / 72,455,439.70-108,683,159.55-48,268,969.30

Finding the Fourth Proportional to 72,455,439.70, 108,683,159.55 and 48,268,969.30

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Solution

The fourth proportional to 72,455,439.70, 108,683,159.55 and 48,268,969.30 is: 72,403,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,455,439.70 : 108,683,159.55 = 48,268,969.30 : x
  2. Step 2: Convert to fraction form
    72,455,439.70/108,683,159.55 = 48,268,969.30/x
  3. Step 3: Cross multiply
    72,455,439.70x = 108,683,159.55 × 48,268,969.30
  4. Step 4: Simplify right side
    72,455,439.70x = 5,246,024,091,745,951
  5. Step 5: Solve for x
    x = 5,246,024,091,745,951/72,455,439.70
  6. Step 6: Final answer
    x = 72,403,453.95

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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.