Home / 217,237,783.16-326,061,450.32-79,196,814.47

Finding the Fourth Proportional to 217,237,783.16, 326,061,450.32 and 79,196,814.47

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Solution

The fourth proportional to 217,237,783.16, 326,061,450.32 and 79,196,814.47 is: 118,869,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,237,783.16 : 326,061,450.32 = 79,196,814.47 : x
  2. Step 2: Convert to fraction form
    217,237,783.16/326,061,450.32 = 79,196,814.47/x
  3. Step 3: Cross multiply
    217,237,783.16x = 326,061,450.32 × 79,196,814.47
  4. Step 4: Simplify right side
    217,237,783.16x = 25,823,028,184,785,872
  5. Step 5: Solve for x
    x = 25,823,028,184,785,872/217,237,783.16
  6. Step 6: Final answer
    x = 118,869,875.26

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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.