Home / 107,842,864,947.40-161,764,297,421.10-45,003,261,631.60

Finding the Fourth Proportional to 107,842,864,947.40, 161,764,297,421.10 and 45,003,261,631.60

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Solution

The fourth proportional to 107,842,864,947.40, 161,764,297,421.10 and 45,003,261,631.60 is: 67,504,892,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,842,864,947.40 : 161,764,297,421.10 = 45,003,261,631.60 : x
  2. Step 2: Convert to fraction form
    107,842,864,947.40/161,764,297,421.10 = 45,003,261,631.60/x
  3. Step 3: Cross multiply
    107,842,864,947.40x = 161,764,297,421.10 × 45,003,261,631.60
  4. Step 4: Simplify right side
    107,842,864,947.40x = 7,279,920,999,493,720,342,528
  5. Step 5: Solve for x
    x = 7,279,920,999,493,720,342,528/107,842,864,947.40
  6. Step 6: Final answer
    x = 67,504,892,447.40

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Double scale
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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.