Home / 69,530,709.60-104,296,064.40-40,790,613.60

Finding the Fourth Proportional to 69,530,709.60, 104,296,064.40 and 40,790,613.60

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Solution

The fourth proportional to 69,530,709.60, 104,296,064.40 and 40,790,613.60 is: 61,185,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,530,709.60 : 104,296,064.40 = 40,790,613.60 : x
  2. Step 2: Convert to fraction form
    69,530,709.60/104,296,064.40 = 40,790,613.60/x
  3. Step 3: Cross multiply
    69,530,709.60x = 104,296,064.40 × 40,790,613.60
  4. Step 4: Simplify right side
    69,530,709.60x = 4,254,300,462,941,116
  5. Step 5: Solve for x
    x = 4,254,300,462,941,116/69,530,709.60
  6. Step 6: Final answer
    x = 61,185,920.40

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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.