Home / 383,637,669.60-575,456,504.40-141,269,080.80

Finding the Fourth Proportional to 383,637,669.60, 575,456,504.40 and 141,269,080.80

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Solution

The fourth proportional to 383,637,669.60, 575,456,504.40 and 141,269,080.80 is: 211,903,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,637,669.60 : 575,456,504.40 = 141,269,080.80 : x
  2. Step 2: Convert to fraction form
    383,637,669.60/575,456,504.40 = 141,269,080.80/x
  3. Step 3: Cross multiply
    383,637,669.60x = 575,456,504.40 × 141,269,080.80
  4. Step 4: Simplify right side
    383,637,669.60x = 81,294,211,416,969,152
  5. Step 5: Solve for x
    x = 81,294,211,416,969,152/383,637,669.60
  6. Step 6: Final answer
    x = 211,903,621.20

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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.