Home / 153,309,491.56-211,570,299.30-83,697,806.44

Finding the Fourth Proportional to 153,309,491.56, 211,570,299.30 and 83,697,806.44

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Solution

The fourth proportional to 153,309,491.56, 211,570,299.30 and 83,697,806.44 is: 115,504,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,309,491.56 : 211,570,299.30 = 83,697,806.44 : x
  2. Step 2: Convert to fraction form
    153,309,491.56/211,570,299.30 = 83,697,806.44/x
  3. Step 3: Cross multiply
    153,309,491.56x = 211,570,299.30 × 83,697,806.44
  4. Step 4: Simplify right side
    153,309,491.56x = 17,707,969,959,264,268
  5. Step 5: Solve for x
    x = 17,707,969,959,264,268/153,309,491.56
  6. Step 6: Final answer
    x = 115,504,720.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.