Home / 202,286,509.71-279,155,383.73-109,467,017.55

Finding the Fourth Proportional to 202,286,509.71, 279,155,383.73 and 109,467,017.55

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Solution

The fourth proportional to 202,286,509.71, 279,155,383.73 and 109,467,017.55 is: 151,064,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,286,509.71 : 279,155,383.73 = 109,467,017.55 : x
  2. Step 2: Convert to fraction form
    202,286,509.71/279,155,383.73 = 109,467,017.55/x
  3. Step 3: Cross multiply
    202,286,509.71x = 279,155,383.73 × 109,467,017.55
  4. Step 4: Simplify right side
    202,286,509.71x = 30,558,307,289,948,896
  5. Step 5: Solve for x
    x = 30,558,307,289,948,896/202,286,509.71
  6. Step 6: Final answer
    x = 151,064,484.40

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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.