Finding the Fourth Proportional to 47,634,769.74, 65,711,755.50 and 31,124,552.70
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Solution
The fourth proportional to 47,634,769.74, 65,711,755.50 and 31,124,552.70 is: 42,936,052.98
Step by Step Solution
- Step 1: Write the proportion equation
47,634,769.74 : 65,711,755.50 = 31,124,552.70 : x - Step 2: Convert to fraction form
47,634,769.74/65,711,755.50 = 31,124,552.70/x - Step 3: Cross multiply
47,634,769.74x = 65,711,755.50 × 31,124,552.70 - Step 4: Simplify right side
47,634,769.74x = 2,045,248,997,069,264.75 - Step 5: Solve for x
x = 2,045,248,997,069,264.75/47,634,769.74 - Step 6: Final answer
x = 42,936,052.98
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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.