Home / 77,720,136.26-107,208,826.22-50,218,064.51

Finding the Fourth Proportional to 77,720,136.26, 107,208,826.22 and 50,218,064.51

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Solution

The fourth proportional to 77,720,136.26, 107,208,826.22 and 50,218,064.51 is: 69,271,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,720,136.26 : 107,208,826.22 = 50,218,064.51 : x
  2. Step 2: Convert to fraction form
    77,720,136.26/107,208,826.22 = 50,218,064.51/x
  3. Step 3: Cross multiply
    77,720,136.26x = 107,208,826.22 × 50,218,064.51
  4. Step 4: Simplify right side
    77,720,136.26x = 5,383,819,750,746,841
  5. Step 5: Solve for x
    x = 5,383,819,750,746,841/77,720,136.26
  6. Step 6: Final answer
    x = 69,271,877.41

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1.5x scale

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.