Home / 56,643,530,859.74-78,167,674,935.37-30,922,810,775.37

Finding the Fourth Proportional to 56,643,530,859.74, 78,167,674,935.37 and 30,922,810,775.37

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Solution

The fourth proportional to 56,643,530,859.74, 78,167,674,935.37 and 30,922,810,775.37 is: 42,673,261,784.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,643,530,859.74 : 78,167,674,935.37 = 30,922,810,775.37 : x
  2. Step 2: Convert to fraction form
    56,643,530,859.74/78,167,674,935.37 = 30,922,810,775.37/x
  3. Step 3: Cross multiply
    56,643,530,859.74x = 78,167,674,935.37 × 30,922,810,775.37
  4. Step 4: Simplify right side
    56,643,530,859.74x = 2,417,164,220,776,844,361,728
  5. Step 5: Solve for x
    x = 2,417,164,220,776,844,361,728/56,643,530,859.74
  6. Step 6: Final answer
    x = 42,673,261,784.51

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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.