Home / 343,338,352.40-515,007,528.60-161,939,824.40

Finding the Fourth Proportional to 343,338,352.40, 515,007,528.60 and 161,939,824.40

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Solution

The fourth proportional to 343,338,352.40, 515,007,528.60 and 161,939,824.40 is: 242,909,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,338,352.40 : 515,007,528.60 = 161,939,824.40 : x
  2. Step 2: Convert to fraction form
    343,338,352.40/515,007,528.60 = 161,939,824.40/x
  3. Step 3: Cross multiply
    343,338,352.40x = 515,007,528.60 × 161,939,824.40
  4. Step 4: Simplify right side
    343,338,352.40x = 83,400,228,746,161,984
  5. Step 5: Solve for x
    x = 83,400,228,746,161,984/343,338,352.40
  6. Step 6: Final answer
    x = 242,909,736.60

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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.