Home / 165,888,187.20-248,832,280.80-161,409,211.20

Finding the Fourth Proportional to 165,888,187.20, 248,832,280.80 and 161,409,211.20

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Solution

The fourth proportional to 165,888,187.20, 248,832,280.80 and 161,409,211.20 is: 242,113,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,187.20 : 248,832,280.80 = 161,409,211.20 : x
  2. Step 2: Convert to fraction form
    165,888,187.20/248,832,280.80 = 161,409,211.20/x
  3. Step 3: Cross multiply
    165,888,187.20x = 248,832,280.80 × 161,409,211.20
  4. Step 4: Simplify right side
    165,888,187.20x = 40,163,822,165,024,904
  5. Step 5: Solve for x
    x = 40,163,822,165,024,904/165,888,187.20
  6. Step 6: Final answer
    x = 242,113,816.80

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1.5x scale

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.