Home / 199,474,020.40-299,211,030.60-122,946,516.40

Finding the Fourth Proportional to 199,474,020.40, 299,211,030.60 and 122,946,516.40

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Solution

The fourth proportional to 199,474,020.40, 299,211,030.60 and 122,946,516.40 is: 184,419,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,474,020.40 : 299,211,030.60 = 122,946,516.40 : x
  2. Step 2: Convert to fraction form
    199,474,020.40/299,211,030.60 = 122,946,516.40/x
  3. Step 3: Cross multiply
    199,474,020.40x = 299,211,030.60 × 122,946,516.40
  4. Step 4: Simplify right side
    199,474,020.40x = 36,786,953,880,723,808
  5. Step 5: Solve for x
    x = 36,786,953,880,723,808/199,474,020.40
  6. Step 6: Final answer
    x = 184,419,774.60

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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.