Home / 201,204,005.30-301,806,007.95-191,638,067.30

Finding the Fourth Proportional to 201,204,005.30, 301,806,007.95 and 191,638,067.30

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Solution

The fourth proportional to 201,204,005.30, 301,806,007.95 and 191,638,067.30 is: 287,457,100.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,005.30 : 301,806,007.95 = 191,638,067.30 : x
  2. Step 2: Convert to fraction form
    201,204,005.30/301,806,007.95 = 191,638,067.30/x
  3. Step 3: Cross multiply
    201,204,005.30x = 301,806,007.95 × 191,638,067.30
  4. Step 4: Simplify right side
    201,204,005.30x = 57,837,520,063,066,440
  5. Step 5: Solve for x
    x = 57,837,520,063,066,440/201,204,005.30
  6. Step 6: Final answer
    x = 287,457,100.95

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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.