Home / 279,230,468.33-385,333,344.69-153,794,345.22

Finding the Fourth Proportional to 279,230,468.33, 385,333,344.69 and 153,794,345.22

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Solution

The fourth proportional to 279,230,468.33, 385,333,344.69 and 153,794,345.22 is: 212,233,606.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,230,468.33 : 385,333,344.69 = 153,794,345.22 : x
  2. Step 2: Convert to fraction form
    279,230,468.33/385,333,344.69 = 153,794,345.22/x
  3. Step 3: Cross multiply
    279,230,468.33x = 385,333,344.69 × 153,794,345.22
  4. Step 4: Simplify right side
    279,230,468.33x = 59,262,089,437,455,920
  5. Step 5: Solve for x
    x = 59,262,089,437,455,920/279,230,468.33
  6. Step 6: Final answer
    x = 212,233,606.85

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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.