Home / 265,715,420.80-398,573,131.20-223,389,097.60

Finding the Fourth Proportional to 265,715,420.80, 398,573,131.20 and 223,389,097.60

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Solution

The fourth proportional to 265,715,420.80, 398,573,131.20 and 223,389,097.60 is: 335,083,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,715,420.80 : 398,573,131.20 = 223,389,097.60 : x
  2. Step 2: Convert to fraction form
    265,715,420.80/398,573,131.20 = 223,389,097.60/x
  3. Step 3: Cross multiply
    265,715,420.80x = 398,573,131.20 × 223,389,097.60
  4. Step 4: Simplify right side
    265,715,420.80x = 89,036,892,106,374,400
  5. Step 5: Solve for x
    x = 89,036,892,106,374,400/265,715,420.80
  6. Step 6: Final answer
    x = 335,083,646.40

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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.