Home / 123,069,124.75-169,887,685.95-76,682,297.06

Finding the Fourth Proportional to 123,069,124.75, 169,887,685.95 and 76,682,297.06

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Solution

The fourth proportional to 123,069,124.75, 169,887,685.95 and 76,682,297.06 is: 105,854,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,069,124.75 : 169,887,685.95 = 76,682,297.06 : x
  2. Step 2: Convert to fraction form
    123,069,124.75/169,887,685.95 = 76,682,297.06/x
  3. Step 3: Cross multiply
    123,069,124.75x = 169,887,685.95 × 76,682,297.06
  4. Step 4: Simplify right side
    123,069,124.75x = 13,027,378,000,470,476
  5. Step 5: Solve for x
    x = 13,027,378,000,470,476/123,069,124.75
  6. Step 6: Final answer
    x = 105,854,153.33

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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.