Home / 167,501,524.80-251,252,287.20-128,759,475.90

Finding the Fourth Proportional to 167,501,524.80, 251,252,287.20 and 128,759,475.90

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Solution

The fourth proportional to 167,501,524.80, 251,252,287.20 and 128,759,475.90 is: 193,139,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,501,524.80 : 251,252,287.20 = 128,759,475.90 : x
  2. Step 2: Convert to fraction form
    167,501,524.80/251,252,287.20 = 128,759,475.90/x
  3. Step 3: Cross multiply
    167,501,524.80x = 251,252,287.20 × 128,759,475.90
  4. Step 4: Simplify right side
    167,501,524.80x = 32,351,112,818,548,280
  5. Step 5: Solve for x
    x = 32,351,112,818,548,280/167,501,524.80
  6. Step 6: Final answer
    x = 193,139,213.85

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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.