Home / 151,706,130.39-209,354,823.86-82,092,258.27

Finding the Fourth Proportional to 151,706,130.39, 209,354,823.86 and 82,092,258.27

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Solution

The fourth proportional to 151,706,130.39, 209,354,823.86 and 82,092,258.27 is: 113,287,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,706,130.39 : 209,354,823.86 = 82,092,258.27 : x
  2. Step 2: Convert to fraction form
    151,706,130.39/209,354,823.86 = 82,092,258.27/x
  3. Step 3: Cross multiply
    151,706,130.39x = 209,354,823.86 × 82,092,258.27
  4. Step 4: Simplify right side
    151,706,130.39x = 17,186,410,269,975,016
  5. Step 5: Solve for x
    x = 17,186,410,269,975,016/151,706,130.39
  6. Step 6: Final answer
    x = 113,287,513.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.