Home / 217,493,739.36-326,271,188.70-69,891,814.71

Finding the Fourth Proportional to 217,493,739.36, 326,271,188.70 and 69,891,814.71

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Solution

The fourth proportional to 217,493,739.36, 326,271,188.70 and 69,891,814.71 is: 104,847,548.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,493,739.36 : 326,271,188.70 = 69,891,814.71 : x
  2. Step 2: Convert to fraction form
    217,493,739.36/326,271,188.70 = 69,891,814.71/x
  3. Step 3: Cross multiply
    217,493,739.36x = 326,271,188.70 × 69,891,814.71
  4. Step 4: Simplify right side
    217,493,739.36x = 22,803,685,465,831,844
  5. Step 5: Solve for x
    x = 22,803,685,465,831,844/217,493,739.36
  6. Step 6: Final answer
    x = 104,847,548.87

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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.