Home / 160,513,104.86-221,521,745.58-90,910,867.58

Finding the Fourth Proportional to 160,513,104.86, 221,521,745.58 and 90,910,867.58

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Solution

The fourth proportional to 160,513,104.86, 221,521,745.58 and 90,910,867.58 is: 125,464,734.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,513,104.86 : 221,521,745.58 = 90,910,867.58 : x
  2. Step 2: Convert to fraction form
    160,513,104.86/221,521,745.58 = 90,910,867.58/x
  3. Step 3: Cross multiply
    160,513,104.86x = 221,521,745.58 × 90,910,867.58
  4. Step 4: Simplify right side
    160,513,104.86x = 20,138,734,078,406,932
  5. Step 5: Solve for x
    x = 20,138,734,078,406,932/160,513,104.86
  6. Step 6: Final answer
    x = 125,464,734.46

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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.