Home / 54,997,733.84-82,483,802.55-20,470,396.31

Finding the Fourth Proportional to 54,997,733.84, 82,483,802.55 and 20,470,396.31

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Solution

The fourth proportional to 54,997,733.84, 82,483,802.55 and 20,470,396.31 is: 30,700,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,997,733.84 : 82,483,802.55 = 20,470,396.31 : x
  2. Step 2: Convert to fraction form
    54,997,733.84/82,483,802.55 = 20,470,396.31/x
  3. Step 3: Cross multiply
    54,997,733.84x = 82,483,802.55 × 20,470,396.31
  4. Step 4: Simplify right side
    54,997,733.84x = 1,688,476,127,354,288.50
  5. Step 5: Solve for x
    x = 1,688,476,127,354,288.50/54,997,733.84
  6. Step 6: Final answer
    x = 30,700,830.92

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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.