Home / 189,373,615.04-261,333,008.16-105,743,037.44

Finding the Fourth Proportional to 189,373,615.04, 261,333,008.16 and 105,743,037.44

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Solution

The fourth proportional to 189,373,615.04, 261,333,008.16 and 105,743,037.44 is: 145,923,950.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,373,615.04 : 261,333,008.16 = 105,743,037.44 : x
  2. Step 2: Convert to fraction form
    189,373,615.04/261,333,008.16 = 105,743,037.44/x
  3. Step 3: Cross multiply
    189,373,615.04x = 261,333,008.16 × 105,743,037.44
  4. Step 4: Simplify right side
    189,373,615.04x = 27,634,146,066,170,704
  5. Step 5: Solve for x
    x = 27,634,146,066,170,704/189,373,615.04
  6. Step 6: Final answer
    x = 145,923,950.71

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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.