Home / 299,153,107.60-448,729,661.40-137,909,971.60

Finding the Fourth Proportional to 299,153,107.60, 448,729,661.40 and 137,909,971.60

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Solution

The fourth proportional to 299,153,107.60, 448,729,661.40 and 137,909,971.60 is: 206,864,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,153,107.60 : 448,729,661.40 = 137,909,971.60 : x
  2. Step 2: Convert to fraction form
    299,153,107.60/448,729,661.40 = 137,909,971.60/x
  3. Step 3: Cross multiply
    299,153,107.60x = 448,729,661.40 × 137,909,971.60
  4. Step 4: Simplify right side
    299,153,107.60x = 61,884,294,859,751,608
  5. Step 5: Solve for x
    x = 61,884,294,859,751,608/299,153,107.60
  6. Step 6: Final answer
    x = 206,864,957.40

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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.