Home / 107,685,521.12-161,568,990.93-42,153,493.34

Finding the Fourth Proportional to 107,685,521.12, 161,568,990.93 and 42,153,493.34

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Solution

The fourth proportional to 107,685,521.12, 161,568,990.93 and 42,153,493.34 is: 63,246,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,685,521.12 : 161,568,990.93 = 42,153,493.34 : x
  2. Step 2: Convert to fraction form
    107,685,521.12/161,568,990.93 = 42,153,493.34/x
  3. Step 3: Cross multiply
    107,685,521.12x = 161,568,990.93 × 42,153,493.34
  4. Step 4: Simplify right side
    107,685,521.12x = 6,810,697,383,118,276
  5. Step 5: Solve for x
    x = 6,810,697,383,118,276/107,685,521.12
  6. Step 6: Final answer
    x = 63,246,175.64

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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.