Home / 318,724,529.94-478,225,855.31-111,611,592.19

Finding the Fourth Proportional to 318,724,529.94, 478,225,855.31 and 111,611,592.19

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Solution

The fourth proportional to 318,724,529.94, 478,225,855.31 and 111,611,592.19 is: 167,466,084.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,724,529.94 : 478,225,855.31 = 111,611,592.19 : x
  2. Step 2: Convert to fraction form
    318,724,529.94/478,225,855.31 = 111,611,592.19/x
  3. Step 3: Cross multiply
    318,724,529.94x = 478,225,855.31 × 111,611,592.19
  4. Step 4: Simplify right side
    318,724,529.94x = 53,375,549,137,613,392
  5. Step 5: Solve for x
    x = 53,375,549,137,613,392/318,724,529.94
  6. Step 6: Final answer
    x = 167,466,084.73

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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.