Home / 74,293,409.24-111,445,978.27-19,706,010.90

Finding the Fourth Proportional to 74,293,409.24, 111,445,978.27 and 19,706,010.90

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Solution

The fourth proportional to 74,293,409.24, 111,445,978.27 and 19,706,010.90 is: 29,560,571.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,293,409.24 : 111,445,978.27 = 19,706,010.90 : x
  2. Step 2: Convert to fraction form
    74,293,409.24/111,445,978.27 = 19,706,010.90/x
  3. Step 3: Cross multiply
    74,293,409.24x = 111,445,978.27 × 19,706,010.90
  4. Step 4: Simplify right side
    74,293,409.24x = 2,196,155,662,549,783
  5. Step 5: Solve for x
    x = 2,196,155,662,549,783/74,293,409.24
  6. Step 6: Final answer
    x = 29,560,571.86

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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.