Home / 119,105,998.60-178,679,993.10-42,473,518.60

Finding the Fourth Proportional to 119,105,998.60, 178,679,993.10 and 42,473,518.60

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Solution

The fourth proportional to 119,105,998.60, 178,679,993.10 and 42,473,518.60 is: 63,717,764.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,105,998.60 : 178,679,993.10 = 42,473,518.60 : x
  2. Step 2: Convert to fraction form
    119,105,998.60/178,679,993.10 = 42,473,518.60/x
  3. Step 3: Cross multiply
    119,105,998.60x = 178,679,993.10 × 42,473,518.60
  4. Step 4: Simplify right side
    119,105,998.60x = 7,589,168,010,380,722
  5. Step 5: Solve for x
    x = 7,589,168,010,380,722/119,105,998.60
  6. Step 6: Final answer
    x = 63,717,764.84

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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.