Home / 212,113,567.42-318,170,529.72-101,423,194

Finding the Fourth Proportional to 212,113,567.42, 318,170,529.72 and 101,423,194

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Solution

The fourth proportional to 212,113,567.42, 318,170,529.72 and 101,423,194 is: 152,134,876.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,113,567.42 : 318,170,529.72 = 101,423,194 : x
  2. Step 2: Convert to fraction form
    212,113,567.42/318,170,529.72 = 101,423,194/x
  3. Step 3: Cross multiply
    212,113,567.42x = 318,170,529.72 × 101,423,194
  4. Step 4: Simplify right side
    212,113,567.42x = 32,269,871,360,874,328
  5. Step 5: Solve for x
    x = 32,269,871,360,874,328/212,113,567.42
  6. Step 6: Final answer
    x = 152,134,876.39

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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.