Home / 73,292,586.05-109,938,790.38-18,705,177.38

Finding the Fourth Proportional to 73,292,586.05, 109,938,790.38 and 18,705,177.38

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Solution

The fourth proportional to 73,292,586.05, 109,938,790.38 and 18,705,177.38 is: 28,057,743.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,292,586.05 : 109,938,790.38 = 18,705,177.38 : x
  2. Step 2: Convert to fraction form
    73,292,586.05/109,938,790.38 = 18,705,177.38/x
  3. Step 3: Cross multiply
    73,292,586.05x = 109,938,790.38 × 18,705,177.38
  4. Step 4: Simplify right side
    73,292,586.05x = 2,056,424,575,275,384.50
  5. Step 5: Solve for x
    x = 2,056,424,575,275,384.50/73,292,586.05
  6. Step 6: Final answer
    x = 28,057,743.44

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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.