Home / 210,410,243.66-290,375,103.71-117,590,748.77

Finding the Fourth Proportional to 210,410,243.66, 290,375,103.71 and 117,590,748.77

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Solution

The fourth proportional to 210,410,243.66, 290,375,103.71 and 117,590,748.77 is: 162,280,244.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,410,243.66 : 290,375,103.71 = 117,590,748.77 : x
  2. Step 2: Convert to fraction form
    210,410,243.66/290,375,103.71 = 117,590,748.77/x
  3. Step 3: Cross multiply
    210,410,243.66x = 290,375,103.71 × 117,590,748.77
  4. Step 4: Simplify right side
    210,410,243.66x = 34,145,425,868,837,348
  5. Step 5: Solve for x
    x = 34,145,425,868,837,348/210,410,243.66
  6. Step 6: Final answer
    x = 162,280,244.89

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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.