Finding the Fourth Proportional to 199,637,307.60, 298,952,076.60 and 131,108,974.80
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Solution
The fourth proportional to 199,637,307.60, 298,952,076.60 and 131,108,974.80 is: 196,332,542.99
Step by Step Solution
- Step 1: Write the proportion equation
199,637,307.60 : 298,952,076.60 = 131,108,974.80 : x - Step 2: Convert to fraction form
199,637,307.60/298,952,076.60 = 131,108,974.80/x - Step 3: Cross multiply
199,637,307.60x = 298,952,076.60 × 131,108,974.80 - Step 4: Simplify right side
199,637,307.60x = 39,195,300,277,357,072 - Step 5: Solve for x
x = 39,195,300,277,357,072/199,637,307.60 - Step 6: Final answer
x = 196,332,542.99
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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.