Home / 205,849,809.60-308,774,714.40-177,151,995.60

Finding the Fourth Proportional to 205,849,809.60, 308,774,714.40 and 177,151,995.60

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Solution

The fourth proportional to 205,849,809.60, 308,774,714.40 and 177,151,995.60 is: 265,727,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,849,809.60 : 308,774,714.40 = 177,151,995.60 : x
  2. Step 2: Convert to fraction form
    205,849,809.60/308,774,714.40 = 177,151,995.60/x
  3. Step 3: Cross multiply
    205,849,809.60x = 308,774,714.40 × 177,151,995.60
  4. Step 4: Simplify right side
    205,849,809.60x = 54,700,056,846,780,048
  5. Step 5: Solve for x
    x = 54,700,056,846,780,048/205,849,809.60
  6. Step 6: Final answer
    x = 265,727,993.40

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Similar ratio
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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.