Home / 160,686,109.23-221,749,260.39-90,137,358.06

Finding the Fourth Proportional to 160,686,109.23, 221,749,260.39 and 90,137,358.06

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Solution

The fourth proportional to 160,686,109.23, 221,749,260.39 and 90,137,358.06 is: 124,390,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,686,109.23 : 221,749,260.39 = 90,137,358.06 : x
  2. Step 2: Convert to fraction form
    160,686,109.23/221,749,260.39 = 90,137,358.06/x
  3. Step 3: Cross multiply
    160,686,109.23x = 221,749,260.39 × 90,137,358.06
  4. Step 4: Simplify right side
    160,686,109.23x = 19,987,892,483,313,604
  5. Step 5: Solve for x
    x = 19,987,892,483,313,604/160,686,109.23
  6. Step 6: Final answer
    x = 124,390,917.04

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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.