Home / 205,061,021.20-282,973,254.60-112,223,573.20

Finding the Fourth Proportional to 205,061,021.20, 282,973,254.60 and 112,223,573.20

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Solution

The fourth proportional to 205,061,021.20, 282,973,254.60 and 112,223,573.20 is: 154,862,535.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,061,021.20 : 282,973,254.60 = 112,223,573.20 : x
  2. Step 2: Convert to fraction form
    205,061,021.20/282,973,254.60 = 112,223,573.20/x
  3. Step 3: Cross multiply
    205,061,021.20x = 282,973,254.60 × 112,223,573.20
  4. Step 4: Simplify right side
    205,061,021.20x = 31,756,269,751,245,340
  5. Step 5: Solve for x
    x = 31,756,269,751,245,340/205,061,021.20
  6. Step 6: Final answer
    x = 154,862,535.87

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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.