Home / 160,289,277.52-221,199,273.48-90,673,168.72

Finding the Fourth Proportional to 160,289,277.52, 221,199,273.48 and 90,673,168.72

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Solution

The fourth proportional to 160,289,277.52, 221,199,273.48 and 90,673,168.72 is: 125,129,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,289,277.52 : 221,199,273.48 = 90,673,168.72 : x
  2. Step 2: Convert to fraction form
    160,289,277.52/221,199,273.48 = 90,673,168.72/x
  3. Step 3: Cross multiply
    160,289,277.52x = 221,199,273.48 × 90,673,168.72
  4. Step 4: Simplify right side
    160,289,277.52x = 20,056,839,044,993,460
  5. Step 5: Solve for x
    x = 20,056,839,044,993,460/160,289,277.52
  6. Step 6: Final answer
    x = 125,129,012.72

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1.5x scale

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.