Home / 255,877,364.28-383,817,170.86-81,001,257.33

Finding the Fourth Proportional to 255,877,364.28, 383,817,170.86 and 81,001,257.33

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Solution

The fourth proportional to 255,877,364.28, 383,817,170.86 and 81,001,257.33 is: 121,502,241.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,877,364.28 : 383,817,170.86 = 81,001,257.33 : x
  2. Step 2: Convert to fraction form
    255,877,364.28/383,817,170.86 = 81,001,257.33/x
  3. Step 3: Cross multiply
    255,877,364.28x = 383,817,170.86 × 81,001,257.33
  4. Step 4: Simplify right side
    255,877,364.28x = 31,089,673,424,098,432
  5. Step 5: Solve for x
    x = 31,089,673,424,098,432/255,877,364.28
  6. Step 6: Final answer
    x = 121,502,241.95

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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.