Home / 111,103,657.31-166,655,009.97-28,106,195.38

Finding the Fourth Proportional to 111,103,657.31, 166,655,009.97 and 28,106,195.38

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Solution

The fourth proportional to 111,103,657.31, 166,655,009.97 and 28,106,195.38 is: 42,159,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,103,657.31 : 166,655,009.97 = 28,106,195.38 : x
  2. Step 2: Convert to fraction form
    111,103,657.31/166,655,009.97 = 28,106,195.38/x
  3. Step 3: Cross multiply
    111,103,657.31x = 166,655,009.97 × 28,106,195.38
  4. Step 4: Simplify right side
    111,103,657.31x = 4,684,038,270,856,031
  5. Step 5: Solve for x
    x = 4,684,038,270,856,031/111,103,657.31
  6. Step 6: Final answer
    x = 42,159,172.65

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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.