Home / 108,525,879.80-162,809,814.90-31,851,409.40

Finding the Fourth Proportional to 108,525,879.80, 162,809,814.90 and 31,851,409.40

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Solution

The fourth proportional to 108,525,879.80, 162,809,814.90 and 31,851,409.40 is: 47,783,276.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,525,879.80 : 162,809,814.90 = 31,851,409.40 : x
  2. Step 2: Convert to fraction form
    108,525,879.80/162,809,814.90 = 31,851,409.40/x
  3. Step 3: Cross multiply
    108,525,879.80x = 162,809,814.90 × 31,851,409.40
  4. Step 4: Simplify right side
    108,525,879.80x = 5,185,722,068,718,120
  5. Step 5: Solve for x
    x = 5,185,722,068,718,120/108,525,879.80
  6. Step 6: Final answer
    x = 47,783,276.01

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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.