Home / 54,593,673,218.70-81,890,509,828.05-21,470,302,005.90

Finding the Fourth Proportional to 54,593,673,218.70, 81,890,509,828.05 and 21,470,302,005.90

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Solution

The fourth proportional to 54,593,673,218.70, 81,890,509,828.05 and 21,470,302,005.90 is: 32,205,453,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,593,673,218.70 : 81,890,509,828.05 = 21,470,302,005.90 : x
  2. Step 2: Convert to fraction form
    54,593,673,218.70/81,890,509,828.05 = 21,470,302,005.90/x
  3. Step 3: Cross multiply
    54,593,673,218.70x = 81,890,509,828.05 × 21,470,302,005.90
  4. Step 4: Simplify right side
    54,593,673,218.70x = 1,758,213,977,425,355,735,040
  5. Step 5: Solve for x
    x = 1,758,213,977,425,355,735,040/54,593,673,218.70
  6. Step 6: Final answer
    x = 32,205,453,008.85

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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.