Home / 49,498,840,673.81-74,253,574,416.51-21,171,714,134.21

Finding the Fourth Proportional to 49,498,840,673.81, 74,253,574,416.51 and 21,171,714,134.21

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Solution

The fourth proportional to 49,498,840,673.81, 74,253,574,416.51 and 21,171,714,134.21 is: 31,759,843,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,498,840,673.81 : 74,253,574,416.51 = 21,171,714,134.21 : x
  2. Step 2: Convert to fraction form
    49,498,840,673.81/74,253,574,416.51 = 21,171,714,134.21/x
  3. Step 3: Cross multiply
    49,498,840,673.81x = 74,253,574,416.51 × 21,171,714,134.21
  4. Step 4: Simplify right side
    49,498,840,673.81x = 1,572,075,450,989,162,004,480
  5. Step 5: Solve for x
    x = 1,572,075,450,989,162,004,480/49,498,840,673.81
  6. Step 6: Final answer
    x = 31,759,843,858.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.