Home / 216,575,115.62-324,839,644.29-61,125,080.18

Finding the Fourth Proportional to 216,575,115.62, 324,839,644.29 and 61,125,080.18

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Solution

The fourth proportional to 216,575,115.62, 324,839,644.29 and 61,125,080.18 is: 91,681,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,575,115.62 : 324,839,644.29 = 61,125,080.18 : x
  2. Step 2: Convert to fraction form
    216,575,115.62/324,839,644.29 = 61,125,080.18/x
  3. Step 3: Cross multiply
    216,575,115.62x = 324,839,644.29 × 61,125,080.18
  4. Step 4: Simplify right side
    216,575,115.62x = 19,855,849,301,244,732
  5. Step 5: Solve for x
    x = 19,855,849,301,244,732/216,575,115.62
  6. Step 6: Final answer
    x = 91,681,120.64

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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.