Home / 87,548,200.09-120,819,085.47-47,857,924.26

Finding the Fourth Proportional to 87,548,200.09, 120,819,085.47 and 47,857,924.26

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Solution

The fourth proportional to 87,548,200.09, 120,819,085.47 and 47,857,924.26 is: 66,045,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,548,200.09 : 120,819,085.47 = 47,857,924.26 : x
  2. Step 2: Convert to fraction form
    87,548,200.09/120,819,085.47 = 47,857,924.26/x
  3. Step 3: Cross multiply
    87,548,200.09x = 120,819,085.47 × 47,857,924.26
  4. Step 4: Simplify right side
    87,548,200.09x = 5,782,150,641,585,726
  5. Step 5: Solve for x
    x = 5,782,150,641,585,726/87,548,200.09
  6. Step 6: Final answer
    x = 66,045,340.00

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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.