Home / 199,473,620.40-299,210,430.60-122,946,116.40

Finding the Fourth Proportional to 199,473,620.40, 299,210,430.60 and 122,946,116.40

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Solution

The fourth proportional to 199,473,620.40, 299,210,430.60 and 122,946,116.40 is: 184,419,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,473,620.40 : 299,210,430.60 = 122,946,116.40 : x
  2. Step 2: Convert to fraction form
    199,473,620.40/299,210,430.60 = 122,946,116.40/x
  3. Step 3: Cross multiply
    199,473,620.40x = 299,210,430.60 × 122,946,116.40
  4. Step 4: Simplify right side
    199,473,620.40x = 36,786,760,428,641,728
  5. Step 5: Solve for x
    x = 36,786,760,428,641,728/199,473,620.40
  6. Step 6: Final answer
    x = 184,419,174.60

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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.