Home / 120,461,892.48-166,238,326.08-65,458,045.44

Finding the Fourth Proportional to 120,461,892.48, 166,238,326.08 and 65,458,045.44

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Solution

The fourth proportional to 120,461,892.48, 166,238,326.08 and 65,458,045.44 is: 90,332,599.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,461,892.48 : 166,238,326.08 = 65,458,045.44 : x
  2. Step 2: Convert to fraction form
    120,461,892.48/166,238,326.08 = 65,458,045.44/x
  3. Step 3: Cross multiply
    120,461,892.48x = 166,238,326.08 × 65,458,045.44
  4. Step 4: Simplify right side
    120,461,892.48x = 10,881,635,902,414,178
  5. Step 5: Solve for x
    x = 10,881,635,902,414,178/120,461,892.48
  6. Step 6: Final answer
    x = 90,332,599.62

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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.