Home / 31,507,666.20-47,332,358.10-30,303,066.60

Finding the Fourth Proportional to 31,507,666.20, 47,332,358.10 and 30,303,066.60

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Solution

The fourth proportional to 31,507,666.20, 47,332,358.10 and 30,303,066.60 is: 45,522,749.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507,666.20 : 47,332,358.10 = 30,303,066.60 : x
  2. Step 2: Convert to fraction form
    31,507,666.20/47,332,358.10 = 30,303,066.60/x
  3. Step 3: Cross multiply
    31,507,666.20x = 47,332,358.10 × 30,303,066.60
  4. Step 4: Simplify right side
    31,507,666.20x = 1,434,315,599,839,349.50
  5. Step 5: Solve for x
    x = 1,434,315,599,839,349.50/31,507,666.20
  6. Step 6: Final answer
    x = 45,522,749.63

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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.