Home / 79,263,004.20-118,894,506.30-66,508,420.20

Finding the Fourth Proportional to 79,263,004.20, 118,894,506.30 and 66,508,420.20

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Solution

The fourth proportional to 79,263,004.20, 118,894,506.30 and 66,508,420.20 is: 99,762,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,263,004.20 : 118,894,506.30 = 66,508,420.20 : x
  2. Step 2: Convert to fraction form
    79,263,004.20/118,894,506.30 = 66,508,420.20/x
  3. Step 3: Cross multiply
    79,263,004.20x = 118,894,506.30 × 66,508,420.20
  4. Step 4: Simplify right side
    79,263,004.20x = 7,907,485,784,471,947
  5. Step 5: Solve for x
    x = 7,907,485,784,471,947/79,263,004.20
  6. Step 6: Final answer
    x = 99,762,630.30

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1.5x scale

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.