Home / 52,403,820.70-72,317,559.38-30,390,371.88

Finding the Fourth Proportional to 52,403,820.70, 72,317,559.38 and 30,390,371.88

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Solution

The fourth proportional to 52,403,820.70, 72,317,559.38 and 30,390,371.88 is: 41,938,879.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403,820.70 : 72,317,559.38 = 30,390,371.88 : x
  2. Step 2: Convert to fraction form
    52,403,820.70/72,317,559.38 = 30,390,371.88/x
  3. Step 3: Cross multiply
    52,403,820.70x = 72,317,559.38 × 30,390,371.88
  4. Step 4: Simplify right side
    52,403,820.70x = 2,197,757,522,589,039.50
  5. Step 5: Solve for x
    x = 2,197,757,522,589,039.50/52,403,820.70
  6. Step 6: Final answer
    x = 41,938,879.52

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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.