Home / 217,295,094.40-325,942,641.60-71,751,119.20

Finding the Fourth Proportional to 217,295,094.40, 325,942,641.60 and 71,751,119.20

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Solution

The fourth proportional to 217,295,094.40, 325,942,641.60 and 71,751,119.20 is: 107,626,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,295,094.40 : 325,942,641.60 = 71,751,119.20 : x
  2. Step 2: Convert to fraction form
    217,295,094.40/325,942,641.60 = 71,751,119.20/x
  3. Step 3: Cross multiply
    217,295,094.40x = 325,942,641.60 × 71,751,119.20
  4. Step 4: Simplify right side
    217,295,094.40x = 23,386,749,329,804,480
  5. Step 5: Solve for x
    x = 23,386,749,329,804,480/217,295,094.40
  6. Step 6: Final answer
    x = 107,626,678.80

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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.