Home / 536,789,375.64-805,089,565.62-143,321,083.20

Finding the Fourth Proportional to 536,789,375.64, 805,089,565.62 and 143,321,083.20

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Solution

The fourth proportional to 536,789,375.64, 805,089,565.62 and 143,321,083.20 is: 214,956,394.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,789,375.64 : 805,089,565.62 = 143,321,083.20 : x
  2. Step 2: Convert to fraction form
    536,789,375.64/805,089,565.62 = 143,321,083.20/x
  3. Step 3: Cross multiply
    536,789,375.64x = 805,089,565.62 × 143,321,083.20
  4. Step 4: Simplify right side
    536,789,375.64x = 115,386,308,617,675,872
  5. Step 5: Solve for x
    x = 115,386,308,617,675,872/536,789,375.64
  6. Step 6: Final answer
    x = 214,956,394.17

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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.