Finding the Fourth Proportional to 51,007,809.60, 76,661,013.60 and 44,438,644.80
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Solution
The fourth proportional to 51,007,809.60, 76,661,013.60 and 44,438,644.80 is: 66,788,038.54
Step by Step Solution
- Step 1: Write the proportion equation
51,007,809.60 : 76,661,013.60 = 44,438,644.80 : x - Step 2: Convert to fraction form
51,007,809.60/76,661,013.60 = 44,438,644.80/x - Step 3: Cross multiply
51,007,809.60x = 76,661,013.60 × 44,438,644.80 - Step 4: Simplify right side
51,007,809.60x = 3,406,711,553,378,369 - Step 5: Solve for x
x = 3,406,711,553,378,369/51,007,809.60 - Step 6: Final answer
x = 66,788,038.54
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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.