Home / 140,099,707.51-209,967,279.71-57,004,621.55

Finding the Fourth Proportional to 140,099,707.51, 209,967,279.71 and 57,004,621.55

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Solution

The fourth proportional to 140,099,707.51, 209,967,279.71 and 57,004,621.55 is: 85,432,764.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,099,707.51 : 209,967,279.71 = 57,004,621.55 : x
  2. Step 2: Convert to fraction form
    140,099,707.51/209,967,279.71 = 57,004,621.55/x
  3. Step 3: Cross multiply
    140,099,707.51x = 209,967,279.71 × 57,004,621.55
  4. Step 4: Simplify right side
    140,099,707.51x = 11,969,105,317,204,062
  5. Step 5: Solve for x
    x = 11,969,105,317,204,062/140,099,707.51
  6. Step 6: Final answer
    x = 85,432,764.49

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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.