Home / 52,504,490.70-78,733,116.45-20,145,638.70

Finding the Fourth Proportional to 52,504,490.70, 78,733,116.45 and 20,145,638.70

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Solution

The fourth proportional to 52,504,490.70, 78,733,116.45 and 20,145,638.70 is: 30,209,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,504,490.70 : 78,733,116.45 = 20,145,638.70 : x
  2. Step 2: Convert to fraction form
    52,504,490.70/78,733,116.45 = 20,145,638.70/x
  3. Step 3: Cross multiply
    52,504,490.70x = 78,733,116.45 × 20,145,638.70
  4. Step 4: Simplify right side
    52,504,490.70x = 1,586,128,917,726,726.50
  5. Step 5: Solve for x
    x = 1,586,128,917,726,726.50/52,504,490.70
  6. Step 6: Final answer
    x = 30,209,395.36

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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.