Home / 30,586,979.85-45,905,565.60-30,347,831.40

Finding the Fourth Proportional to 30,586,979.85, 45,905,565.60 and 30,347,831.40

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Solution

The fourth proportional to 30,586,979.85, 45,905,565.60 and 30,347,831.40 is: 45,546,646.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,586,979.85 : 45,905,565.60 = 30,347,831.40 : x
  2. Step 2: Convert to fraction form
    30,586,979.85/45,905,565.60 = 30,347,831.40/x
  3. Step 3: Cross multiply
    30,586,979.85x = 45,905,565.60 × 30,347,831.40
  4. Step 4: Simplify right side
    30,586,979.85x = 1,393,134,365,150,439.75
  5. Step 5: Solve for x
    x = 1,393,134,365,150,439.75/30,586,979.85
  6. Step 6: Final answer
    x = 45,546,646.71

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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.