Home / 118,696,939.80-178,045,409.70-36,815,659.80

Finding the Fourth Proportional to 118,696,939.80, 178,045,409.70 and 36,815,659.80

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Solution

The fourth proportional to 118,696,939.80, 178,045,409.70 and 36,815,659.80 is: 55,223,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,696,939.80 : 178,045,409.70 = 36,815,659.80 : x
  2. Step 2: Convert to fraction form
    118,696,939.80/178,045,409.70 = 36,815,659.80/x
  3. Step 3: Cross multiply
    118,696,939.80x = 178,045,409.70 × 36,815,659.80
  4. Step 4: Simplify right side
    118,696,939.80x = 6,554,859,232,466,819
  5. Step 5: Solve for x
    x = 6,554,859,232,466,819/118,696,939.80
  6. Step 6: Final answer
    x = 55,223,489.70

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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.