Finding the Fourth Proportional to 71,472,041.99, 107,220,020.40 and 56,118,711.50
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Solution
The fourth proportional to 71,472,041.99, 107,220,020.40 and 56,118,711.50 is: 84,187,456.02
Step by Step Solution
- Step 1: Write the proportion equation
71,472,041.99 : 107,220,020.40 = 56,118,711.50 : x - Step 2: Convert to fraction form
71,472,041.99/107,220,020.40 = 56,118,711.50/x - Step 3: Cross multiply
71,472,041.99x = 107,220,020.40 × 56,118,711.50 - Step 4: Simplify right side
71,472,041.99x = 6,017,049,391,851,715 - Step 5: Solve for x
x = 6,017,049,391,851,715/71,472,041.99 - Step 6: Final answer
x = 84,187,456.02
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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.