Home / 140,555,654.48-193,968,783.72-80,984,026.96

Finding the Fourth Proportional to 140,555,654.48, 193,968,783.72 and 80,984,026.96

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Solution

The fourth proportional to 140,555,654.48, 193,968,783.72 and 80,984,026.96 is: 111,759,098.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,555,654.48 : 193,968,783.72 = 80,984,026.96 : x
  2. Step 2: Convert to fraction form
    140,555,654.48/193,968,783.72 = 80,984,026.96/x
  3. Step 3: Cross multiply
    140,555,654.48x = 193,968,783.72 × 80,984,026.96
  4. Step 4: Simplify right side
    140,555,654.48x = 15,708,373,210,178,888
  5. Step 5: Solve for x
    x = 15,708,373,210,178,888/140,555,654.48
  6. Step 6: Final answer
    x = 111,759,098.33

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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.