Home / 54,997,678.01-82,483,718.69-20,470,340.23

Finding the Fourth Proportional to 54,997,678.01, 82,483,718.69 and 20,470,340.23

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Solution

The fourth proportional to 54,997,678.01, 82,483,718.69 and 20,470,340.23 is: 30,700,746.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,997,678.01 : 82,483,718.69 = 20,470,340.23 : x
  2. Step 2: Convert to fraction form
    54,997,678.01/82,483,718.69 = 20,470,340.23/x
  3. Step 3: Cross multiply
    54,997,678.01x = 82,483,718.69 × 20,470,340.23
  4. Step 4: Simplify right side
    54,997,678.01x = 1,688,469,784,864,876.25
  5. Step 5: Solve for x
    x = 1,688,469,784,864,876.25/54,997,678.01
  6. Step 6: Final answer
    x = 30,700,746.76

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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.