Home / 107,839,036.20-161,758,554.30-71,559,330.60

Finding the Fourth Proportional to 107,839,036.20, 161,758,554.30 and 71,559,330.60

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Solution

The fourth proportional to 107,839,036.20, 161,758,554.30 and 71,559,330.60 is: 107,338,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839,036.20 : 161,758,554.30 = 71,559,330.60 : x
  2. Step 2: Convert to fraction form
    107,839,036.20/161,758,554.30 = 71,559,330.60/x
  3. Step 3: Cross multiply
    107,839,036.20x = 161,758,554.30 × 71,559,330.60
  4. Step 4: Simplify right side
    107,839,036.20x = 11,575,333,864,531,752
  5. Step 5: Solve for x
    x = 11,575,333,864,531,752/107,839,036.20
  6. Step 6: Final answer
    x = 107,338,995.90

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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.