Home / 255,877,364.77-383,817,171.61-81,001,257.83

Finding the Fourth Proportional to 255,877,364.77, 383,817,171.61 and 81,001,257.83

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Solution

The fourth proportional to 255,877,364.77, 383,817,171.61 and 81,001,257.83 is: 121,502,242.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,877,364.77 : 383,817,171.61 = 81,001,257.83 : x
  2. Step 2: Convert to fraction form
    255,877,364.77/383,817,171.61 = 81,001,257.83/x
  3. Step 3: Cross multiply
    255,877,364.77x = 383,817,171.61 × 81,001,257.83
  4. Step 4: Simplify right side
    255,877,364.77x = 31,089,673,677,162,968
  5. Step 5: Solve for x
    x = 31,089,673,677,162,968/255,877,364.77
  6. Step 6: Final answer
    x = 121,502,242.71

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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.