Home / 185,809,555.73-256,354,424.94-105,332,913.88

Finding the Fourth Proportional to 185,809,555.73, 256,354,424.94 and 105,332,913.88

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Solution

The fourth proportional to 185,809,555.73, 256,354,424.94 and 105,332,913.88 is: 145,323,842.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,809,555.73 : 256,354,424.94 = 105,332,913.88 : x
  2. Step 2: Convert to fraction form
    185,809,555.73/256,354,424.94 = 105,332,913.88/x
  3. Step 3: Cross multiply
    185,809,555.73x = 256,354,424.94 × 105,332,913.88
  4. Step 4: Simplify right side
    185,809,555.73x = 27,002,558,563,680,172
  5. Step 5: Solve for x
    x = 27,002,558,563,680,172/185,809,555.73
  6. Step 6: Final answer
    x = 145,323,842.24

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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.