Finding the Fourth Proportional to 73,020,942.19, 100,768,924.02 and 39,983,285.08
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Solution
The fourth proportional to 73,020,942.19, 100,768,924.02 and 39,983,285.08 is: 55,176,946.44
Step by Step Solution
- Step 1: Write the proportion equation
73,020,942.19 : 100,768,924.02 = 39,983,285.08 : x - Step 2: Convert to fraction form
73,020,942.19/100,768,924.02 = 39,983,285.08/x - Step 3: Cross multiply
73,020,942.19x = 100,768,924.02 × 39,983,285.08 - Step 4: Simplify right side
73,020,942.19x = 4,029,072,616,296,519.50 - Step 5: Solve for x
x = 4,029,072,616,296,519.50/73,020,942.19 - Step 6: Final answer
x = 55,176,946.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.