Home / 131,323,523.60-181,223,301.61-71,782,148.09

Finding the Fourth Proportional to 131,323,523.60, 181,223,301.61 and 71,782,148.09

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Solution

The fourth proportional to 131,323,523.60, 181,223,301.61 and 71,782,148.09 is: 99,057,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,323,523.60 : 181,223,301.61 = 71,782,148.09 : x
  2. Step 2: Convert to fraction form
    131,323,523.60/181,223,301.61 = 71,782,148.09/x
  3. Step 3: Cross multiply
    131,323,523.60x = 181,223,301.61 × 71,782,148.09
  4. Step 4: Simplify right side
    131,323,523.60x = 13,008,597,874,070,542
  5. Step 5: Solve for x
    x = 13,008,597,874,070,542/131,323,523.60
  6. Step 6: Final answer
    x = 99,057,636.57

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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.