Home / 55,507,587.96-76,601,077.44-30,728,188.71

Finding the Fourth Proportional to 55,507,587.96, 76,601,077.44 and 30,728,188.71

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Solution

The fourth proportional to 55,507,587.96, 76,601,077.44 and 30,728,188.71 is: 42,405,235.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,507,587.96 : 76,601,077.44 = 30,728,188.71 : x
  2. Step 2: Convert to fraction form
    55,507,587.96/76,601,077.44 = 30,728,188.71/x
  3. Step 3: Cross multiply
    55,507,587.96x = 76,601,077.44 × 30,728,188.71
  4. Step 4: Simplify right side
    55,507,587.96x = 2,353,812,362,965,643.50
  5. Step 5: Solve for x
    x = 2,353,812,362,965,643.50/55,507,587.96
  6. Step 6: Final answer
    x = 42,405,235.92

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1.5x scale

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.