Home / 323,846,621.76-485,769,541.68-105,496,607.64

Finding the Fourth Proportional to 323,846,621.76, 485,769,541.68 and 105,496,607.64

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Solution

The fourth proportional to 323,846,621.76, 485,769,541.68 and 105,496,607.64 is: 158,244,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,846,621.76 : 485,769,541.68 = 105,496,607.64 : x
  2. Step 2: Convert to fraction form
    323,846,621.76/485,769,541.68 = 105,496,607.64/x
  3. Step 3: Cross multiply
    323,846,621.76x = 485,769,541.68 × 105,496,607.64
  4. Step 4: Simplify right side
    323,846,621.76x = 51,247,038,742,077,584
  5. Step 5: Solve for x
    x = 51,247,038,742,077,584/323,846,621.76
  6. Step 6: Final answer
    x = 158,244,784.10

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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.