Home / 255,877,517.99-383,817,401.87-81,001,411.31

Finding the Fourth Proportional to 255,877,517.99, 383,817,401.87 and 81,001,411.31

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Solution

The fourth proportional to 255,877,517.99, 383,817,401.87 and 81,001,411.31 is: 121,502,473.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,877,517.99 : 383,817,401.87 = 81,001,411.31 : x
  2. Step 2: Convert to fraction form
    255,877,517.99/383,817,401.87 = 81,001,411.31/x
  3. Step 3: Cross multiply
    255,877,517.99x = 383,817,401.87 × 81,001,411.31
  4. Step 4: Simplify right side
    255,877,517.99x = 31,089,751,234,483,344
  5. Step 5: Solve for x
    x = 31,089,751,234,483,344/255,877,517.99
  6. Step 6: Final answer
    x = 121,502,473.06

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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.