Home / 162,146,242.12-223,762,029.96-87,806,930.94

Finding the Fourth Proportional to 162,146,242.12, 223,762,029.96 and 87,806,930.94

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Solution

The fourth proportional to 162,146,242.12, 223,762,029.96 and 87,806,930.94 is: 121,173,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,146,242.12 : 223,762,029.96 = 87,806,930.94 : x
  2. Step 2: Convert to fraction form
    162,146,242.12/223,762,029.96 = 87,806,930.94/x
  3. Step 3: Cross multiply
    162,146,242.12x = 223,762,029.96 × 87,806,930.94
  4. Step 4: Simplify right side
    162,146,242.12x = 19,647,857,111,691,932
  5. Step 5: Solve for x
    x = 19,647,857,111,691,932/162,146,242.12
  6. Step 6: Final answer
    x = 121,173,681.58

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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.