Home / 138,063,517.86-190,531,697.37-75,343,657.26

Finding the Fourth Proportional to 138,063,517.86, 190,531,697.37 and 75,343,657.26

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Solution

The fourth proportional to 138,063,517.86, 190,531,697.37 and 75,343,657.26 is: 103,976,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,063,517.86 : 190,531,697.37 = 75,343,657.26 : x
  2. Step 2: Convert to fraction form
    138,063,517.86/190,531,697.37 = 75,343,657.26/x
  3. Step 3: Cross multiply
    138,063,517.86x = 190,531,697.37 × 75,343,657.26
  4. Step 4: Simplify right side
    138,063,517.86x = 14,355,354,903,811,324
  5. Step 5: Solve for x
    x = 14,355,354,903,811,324/138,063,517.86
  6. Step 6: Final answer
    x = 103,976,453.20

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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.