Finding the Fourth Proportional to 108,746,747.93, 150,070,503.80 and 59,187,476.99
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Solution
The fourth proportional to 108,746,747.93, 150,070,503.80 and 59,187,476.99 is: 81,678,713.70
Step by Step Solution
- Step 1: Write the proportion equation
108,746,747.93 : 150,070,503.80 = 59,187,476.99 : x - Step 2: Convert to fraction form
108,746,747.93/150,070,503.80 = 59,187,476.99/x - Step 3: Cross multiply
108,746,747.93x = 150,070,503.80 × 59,187,476.99 - Step 4: Simplify right side
108,746,747.93x = 8,882,294,490,244,270 - Step 5: Solve for x
x = 8,882,294,490,244,270/108,746,747.93 - Step 6: Final answer
x = 81,678,713.70
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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.