Home / 212,207,391-318,311,069.22-58,853,445.48

Finding the Fourth Proportional to 212,207,391, 318,311,069.22 and 58,853,445.48

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Solution

The fourth proportional to 212,207,391, 318,311,069.22 and 58,853,445.48 is: 88,280,163.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,207,391 : 318,311,069.22 = 58,853,445.48 : x
  2. Step 2: Convert to fraction form
    212,207,391/318,311,069.22 = 58,853,445.48/x
  3. Step 3: Cross multiply
    212,207,391x = 318,311,069.22 × 58,853,445.48
  4. Step 4: Simplify right side
    212,207,391x = 18,733,703,158,019,776
  5. Step 5: Solve for x
    x = 18,733,703,158,019,776/212,207,391
  6. Step 6: Final answer
    x = 88,280,163.43

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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.