Home / 86,185,086.62-129,276,777.92-39,485,325.84

Finding the Fourth Proportional to 86,185,086.62, 129,276,777.92 and 39,485,325.84

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Solution

The fourth proportional to 86,185,086.62, 129,276,777.92 and 39,485,325.84 is: 59,227,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,185,086.62 : 129,276,777.92 = 39,485,325.84 : x
  2. Step 2: Convert to fraction form
    86,185,086.62/129,276,777.92 = 39,485,325.84/x
  3. Step 3: Cross multiply
    86,185,086.62x = 129,276,777.92 × 39,485,325.84
  4. Step 4: Simplify right side
    86,185,086.62x = 5,104,535,699,519,092
  5. Step 5: Solve for x
    x = 5,104,535,699,519,092/86,185,086.62
  6. Step 6: Final answer
    x = 59,227,598.42

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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.