Home / 112,051,661.80-167,984,180.70-47,405,108.20

Finding the Fourth Proportional to 112,051,661.80, 167,984,180.70 and 47,405,108.20

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Solution

The fourth proportional to 112,051,661.80, 167,984,180.70 and 47,405,108.20 is: 71,068,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,051,661.80 : 167,984,180.70 = 47,405,108.20 : x
  2. Step 2: Convert to fraction form
    112,051,661.80/167,984,180.70 = 47,405,108.20/x
  3. Step 3: Cross multiply
    112,051,661.80x = 167,984,180.70 × 47,405,108.20
  4. Step 4: Simplify right side
    112,051,661.80x = 7,963,308,261,971,852
  5. Step 5: Solve for x
    x = 7,963,308,261,971,852/112,051,661.80
  6. Step 6: Final answer
    x = 71,068,185.28

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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.