Home / 212,219,200.72-318,328,801.08-58,865,257.36

Finding the Fourth Proportional to 212,219,200.72, 318,328,801.08 and 58,865,257.36

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Solution

The fourth proportional to 212,219,200.72, 318,328,801.08 and 58,865,257.36 is: 88,297,886.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,219,200.72 : 318,328,801.08 = 58,865,257.36 : x
  2. Step 2: Convert to fraction form
    212,219,200.72/318,328,801.08 = 58,865,257.36/x
  3. Step 3: Cross multiply
    212,219,200.72x = 318,328,801.08 × 58,865,257.36
  4. Step 4: Simplify right side
    212,219,200.72x = 18,738,506,800,674,444
  5. Step 5: Solve for x
    x = 18,738,506,800,674,444/212,219,200.72
  6. Step 6: Final answer
    x = 88,297,886.04

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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.