Home / 72,879,873.92-100,574,895.21-41,517,458.08

Finding the Fourth Proportional to 72,879,873.92, 100,574,895.21 and 41,517,458.08

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Solution

The fourth proportional to 72,879,873.92, 100,574,895.21 and 41,517,458.08 is: 57,294,473.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,879,873.92 : 100,574,895.21 = 41,517,458.08 : x
  2. Step 2: Convert to fraction form
    72,879,873.92/100,574,895.21 = 41,517,458.08/x
  3. Step 3: Cross multiply
    72,879,873.92x = 100,574,895.21 × 41,517,458.08
  4. Step 4: Simplify right side
    72,879,873.92x = 4,175,613,995,781,567.50
  5. Step 5: Solve for x
    x = 4,175,613,995,781,567.50/72,879,873.92
  6. Step 6: Final answer
    x = 57,294,473.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.