Home / 51,816,409.80-77,724,614.70-21,508,672.20

Finding the Fourth Proportional to 51,816,409.80, 77,724,614.70 and 21,508,672.20

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Solution

The fourth proportional to 51,816,409.80, 77,724,614.70 and 21,508,672.20 is: 32,263,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,816,409.80 : 77,724,614.70 = 21,508,672.20 : x
  2. Step 2: Convert to fraction form
    51,816,409.80/77,724,614.70 = 21,508,672.20/x
  3. Step 3: Cross multiply
    51,816,409.80x = 77,724,614.70 × 21,508,672.20
  4. Step 4: Simplify right side
    51,816,409.80x = 1,671,753,259,453,601.25
  5. Step 5: Solve for x
    x = 1,671,753,259,453,601.25/51,816,409.80
  6. Step 6: Final answer
    x = 32,263,008.30

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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.