Home / 72,396,435.60-108,594,653.40-38,384,211.60

Finding the Fourth Proportional to 72,396,435.60, 108,594,653.40 and 38,384,211.60

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Solution

The fourth proportional to 72,396,435.60, 108,594,653.40 and 38,384,211.60 is: 57,576,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,396,435.60 : 108,594,653.40 = 38,384,211.60 : x
  2. Step 2: Convert to fraction form
    72,396,435.60/108,594,653.40 = 38,384,211.60/x
  3. Step 3: Cross multiply
    72,396,435.60x = 108,594,653.40 × 38,384,211.60
  4. Step 4: Simplify right side
    72,396,435.60x = 4,168,320,154,734,260
  5. Step 5: Solve for x
    x = 4,168,320,154,734,260/72,396,435.60
  6. Step 6: Final answer
    x = 57,576,317.40

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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.