Home / 212,583,109.08-318,874,667.72-51,025,045.08

Finding the Fourth Proportional to 212,583,109.08, 318,874,667.72 and 51,025,045.08

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Solution

The fourth proportional to 212,583,109.08, 318,874,667.72 and 51,025,045.08 is: 76,537,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,583,109.08 : 318,874,667.72 = 51,025,045.08 : x
  2. Step 2: Convert to fraction form
    212,583,109.08/318,874,667.72 = 51,025,045.08/x
  3. Step 3: Cross multiply
    212,583,109.08x = 318,874,667.72 × 51,025,045.08
  4. Step 4: Simplify right side
    212,583,109.08x = 16,270,594,294,573,578
  5. Step 5: Solve for x
    x = 16,270,594,294,573,578/212,583,109.08
  6. Step 6: Final answer
    x = 76,537,568.60

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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.