Home / 212,869,317.10-319,303,975.65-212,869,317.10

Finding the Fourth Proportional to 212,869,317.10, 319,303,975.65 and 212,869,317.10

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Solution

The fourth proportional to 212,869,317.10, 319,303,975.65 and 212,869,317.10 is: 319,303,975.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,869,317.10 : 319,303,975.65 = 212,869,317.10 : x
  2. Step 2: Convert to fraction form
    212,869,317.10/319,303,975.65 = 212,869,317.10/x
  3. Step 3: Cross multiply
    212,869,317.10x = 319,303,975.65 × 212,869,317.10
  4. Step 4: Simplify right side
    212,869,317.10x = 67,970,019,243,930,520
  5. Step 5: Solve for x
    x = 67,970,019,243,930,520/212,869,317.10
  6. Step 6: Final answer
    x = 319,303,975.65

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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.