Home / 55,362,478.26-76,400,861.19-30,582,151.77

Finding the Fourth Proportional to 55,362,478.26, 76,400,861.19 and 30,582,151.77

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Solution

The fourth proportional to 55,362,478.26, 76,400,861.19 and 30,582,151.77 is: 42,203,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,362,478.26 : 76,400,861.19 = 30,582,151.77 : x
  2. Step 2: Convert to fraction form
    55,362,478.26/76,400,861.19 = 30,582,151.77/x
  3. Step 3: Cross multiply
    55,362,478.26x = 76,400,861.19 × 30,582,151.77
  4. Step 4: Simplify right side
    55,362,478.26x = 2,336,502,732,271,282.50
  5. Step 5: Solve for x
    x = 2,336,502,732,271,282.50/55,362,478.26
  6. Step 6: Final answer
    x = 42,203,723.64

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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.