Home / 51,112,449.88-76,623,885.06-19,222,140.76

Finding the Fourth Proportional to 51,112,449.88, 76,623,885.06 and 19,222,140.76

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Solution

The fourth proportional to 51,112,449.88, 76,623,885.06 and 19,222,140.76 is: 28,816,366.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,112,449.88 : 76,623,885.06 = 19,222,140.76 : x
  2. Step 2: Convert to fraction form
    51,112,449.88/76,623,885.06 = 19,222,140.76/x
  3. Step 3: Cross multiply
    51,112,449.88x = 76,623,885.06 × 19,222,140.76
  4. Step 4: Simplify right side
    51,112,449.88x = 1,472,875,104,201,381.25
  5. Step 5: Solve for x
    x = 1,472,875,104,201,381.25/51,112,449.88
  6. Step 6: Final answer
    x = 28,816,366.81

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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.