Home / 54,997,732.84-82,483,801.05-20,470,395.31

Finding the Fourth Proportional to 54,997,732.84, 82,483,801.05 and 20,470,395.31

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Solution

The fourth proportional to 54,997,732.84, 82,483,801.05 and 20,470,395.31 is: 30,700,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,997,732.84 : 82,483,801.05 = 20,470,395.31 : x
  2. Step 2: Convert to fraction form
    54,997,732.84/82,483,801.05 = 20,470,395.31/x
  3. Step 3: Cross multiply
    54,997,732.84x = 82,483,801.05 × 20,470,395.31
  4. Step 4: Simplify right side
    54,997,732.84x = 1,688,476,014,164,893
  5. Step 5: Solve for x
    x = 1,688,476,014,164,893/54,997,732.84
  6. Step 6: Final answer
    x = 30,700,829.42

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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.