Home / 73,956,908.52-102,051,562.13-42,605,107.21

Finding the Fourth Proportional to 73,956,908.52, 102,051,562.13 and 42,605,107.21

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Solution

The fourth proportional to 73,956,908.52, 102,051,562.13 and 42,605,107.21 is: 58,789,879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,956,908.52 : 102,051,562.13 = 42,605,107.21 : x
  2. Step 2: Convert to fraction form
    73,956,908.52/102,051,562.13 = 42,605,107.21/x
  3. Step 3: Cross multiply
    73,956,908.52x = 102,051,562.13 × 42,605,107.21
  4. Step 4: Simplify right side
    73,956,908.52x = 4,347,917,745,570,934
  5. Step 5: Solve for x
    x = 4,347,917,745,570,934/73,956,908.52
  6. Step 6: Final answer
    x = 58,789,879.57

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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.