Home / 57,094,225.38-78,789,831.57-30,988,741.86

Finding the Fourth Proportional to 57,094,225.38, 78,789,831.57 and 30,988,741.86

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Solution

The fourth proportional to 57,094,225.38, 78,789,831.57 and 30,988,741.86 is: 42,764,355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,094,225.38 : 78,789,831.57 = 30,988,741.86 : x
  2. Step 2: Convert to fraction form
    57,094,225.38/78,789,831.57 = 30,988,741.86/x
  3. Step 3: Cross multiply
    57,094,225.38x = 78,789,831.57 × 30,988,741.86
  4. Step 4: Simplify right side
    57,094,225.38x = 2,441,597,751,715,608.50
  5. Step 5: Solve for x
    x = 2,441,597,751,715,608.50/57,094,225.38
  6. Step 6: Final answer
    x = 42,764,355.51

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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.