Home / 82,191,504.60-123,287,256.90-41,880,720.60

Finding the Fourth Proportional to 82,191,504.60, 123,287,256.90 and 41,880,720.60

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Solution

The fourth proportional to 82,191,504.60, 123,287,256.90 and 41,880,720.60 is: 62,821,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,191,504.60 : 123,287,256.90 = 41,880,720.60 : x
  2. Step 2: Convert to fraction form
    82,191,504.60/123,287,256.90 = 41,880,720.60/x
  3. Step 3: Cross multiply
    82,191,504.60x = 123,287,256.90 × 41,880,720.60
  4. Step 4: Simplify right side
    82,191,504.60x = 5,163,359,159,769,323
  5. Step 5: Solve for x
    x = 5,163,359,159,769,323/82,191,504.60
  6. Step 6: Final answer
    x = 62,821,080.90

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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.