Home / 203,868,861.74-305,820,907.78-56,316,370.04

Finding the Fourth Proportional to 203,868,861.74, 305,820,907.78 and 56,316,370.04

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Solution

The fourth proportional to 203,868,861.74, 305,820,907.78 and 56,316,370.04 is: 84,479,421.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,868,861.74 : 305,820,907.78 = 56,316,370.04 : x
  2. Step 2: Convert to fraction form
    203,868,861.74/305,820,907.78 = 56,316,370.04/x
  3. Step 3: Cross multiply
    203,868,861.74x = 305,820,907.78 × 56,316,370.04
  4. Step 4: Simplify right side
    203,868,861.74x = 17,222,723,408,225,612
  5. Step 5: Solve for x
    x = 17,222,723,408,225,612/203,868,861.74
  6. Step 6: Final answer
    x = 84,479,421.04

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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.