Home / 205,008,861.60-282,912,231.60-112,189,406.40

Finding the Fourth Proportional to 205,008,861.60, 282,912,231.60 and 112,189,406.40

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Solution

The fourth proportional to 205,008,861.60, 282,912,231.60 and 112,189,406.40 is: 154,821,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,008,861.60 : 282,912,231.60 = 112,189,406.40 : x
  2. Step 2: Convert to fraction form
    205,008,861.60/282,912,231.60 = 112,189,406.40/x
  3. Step 3: Cross multiply
    205,008,861.60x = 282,912,231.60 × 112,189,406.40
  4. Step 4: Simplify right side
    205,008,861.60x = 31,739,755,326,503,328
  5. Step 5: Solve for x
    x = 31,739,755,326,503,328/205,008,861.60
  6. Step 6: Final answer
    x = 154,821,382.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.