Home / 108,525,877.80-162,809,811.90-31,851,407.40

Finding the Fourth Proportional to 108,525,877.80, 162,809,811.90 and 31,851,407.40

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Solution

The fourth proportional to 108,525,877.80, 162,809,811.90 and 31,851,407.40 is: 47,783,273.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,525,877.80 : 162,809,811.90 = 31,851,407.40 : x
  2. Step 2: Convert to fraction form
    108,525,877.80/162,809,811.90 = 31,851,407.40/x
  3. Step 3: Cross multiply
    108,525,877.80x = 162,809,811.90 × 31,851,407.40
  4. Step 4: Simplify right side
    108,525,877.80x = 5,185,721,647,544,268
  5. Step 5: Solve for x
    x = 5,185,721,647,544,268/108,525,877.80
  6. Step 6: Final answer
    x = 47,783,273.01

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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.