Home / 217,237,792.16-326,061,463.82-79,196,823.47

Finding the Fourth Proportional to 217,237,792.16, 326,061,463.82 and 79,196,823.47

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Solution

The fourth proportional to 217,237,792.16, 326,061,463.82 and 79,196,823.47 is: 118,869,888.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,237,792.16 : 326,061,463.82 = 79,196,823.47 : x
  2. Step 2: Convert to fraction form
    217,237,792.16/326,061,463.82 = 79,196,823.47/x
  3. Step 3: Cross multiply
    217,237,792.16x = 326,061,463.82 × 79,196,823.47
  4. Step 4: Simplify right side
    217,237,792.16x = 25,823,032,188,496,040
  5. Step 5: Solve for x
    x = 25,823,032,188,496,040/217,237,792.16
  6. Step 6: Final answer
    x = 118,869,888.76

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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.