Home / 31,507,685.20-47,332,386.60-30,303,085.60

Finding the Fourth Proportional to 31,507,685.20, 47,332,386.60 and 30,303,085.60

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Solution

The fourth proportional to 31,507,685.20, 47,332,386.60 and 30,303,085.60 is: 45,522,778.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507,685.20 : 47,332,386.60 = 30,303,085.60 : x
  2. Step 2: Convert to fraction form
    31,507,685.20/47,332,386.60 = 30,303,085.60/x
  3. Step 3: Cross multiply
    31,507,685.20x = 47,332,386.60 × 30,303,085.60
  4. Step 4: Simplify right side
    31,507,685.20x = 1,434,317,362,792,093
  5. Step 5: Solve for x
    x = 1,434,317,362,792,093/31,507,685.20
  6. Step 6: Final answer
    x = 45,522,778.13

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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.