Home / 202,286,389.80-279,155,218.90-109,466,898.56

Finding the Fourth Proportional to 202,286,389.80, 279,155,218.90 and 109,466,898.56

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Solution

The fourth proportional to 202,286,389.80, 279,155,218.90 and 109,466,898.56 is: 151,064,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,286,389.80 : 279,155,218.90 = 109,466,898.56 : x
  2. Step 2: Convert to fraction form
    202,286,389.80/279,155,218.90 = 109,466,898.56/x
  3. Step 3: Cross multiply
    202,286,389.80x = 279,155,218.90 × 109,466,898.56
  4. Step 4: Simplify right side
    202,286,389.80x = 30,558,256,029,820,892
  5. Step 5: Solve for x
    x = 30,558,256,029,820,892/202,286,389.80
  6. Step 6: Final answer
    x = 151,064,320.54

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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.