Home / 190,710,232.31-263,164,011.26-115,384,624.94

Finding the Fourth Proportional to 190,710,232.31, 263,164,011.26 and 115,384,624.94

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Solution

The fourth proportional to 190,710,232.31, 263,164,011.26 and 115,384,624.94 is: 159,221,035.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,710,232.31 : 263,164,011.26 = 115,384,624.94 : x
  2. Step 2: Convert to fraction form
    190,710,232.31/263,164,011.26 = 115,384,624.94/x
  3. Step 3: Cross multiply
    190,710,232.31x = 263,164,011.26 × 115,384,624.94
  4. Step 4: Simplify right side
    190,710,232.31x = 30,365,080,737,671,640
  5. Step 5: Solve for x
    x = 30,365,080,737,671,640/190,710,232.31
  6. Step 6: Final answer
    x = 159,221,035.86

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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.