Finding the Fourth Proportional to 52,614,536.20, 78,921,804.30 and 48,583,457.80
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Solution
The fourth proportional to 52,614,536.20, 78,921,804.30 and 48,583,457.80 is: 72,875,186.70
Step by Step Solution
- Step 1: Write the proportion equation
52,614,536.20 : 78,921,804.30 = 48,583,457.80 : x - Step 2: Convert to fraction form
52,614,536.20/78,921,804.30 = 48,583,457.80/x - Step 3: Cross multiply
52,614,536.20x = 78,921,804.30 × 48,583,457.80 - Step 4: Simplify right side
52,614,536.20x = 3,834,294,148,708,908 - Step 5: Solve for x
x = 3,834,294,148,708,908/52,614,536.20 - Step 6: Final answer
x = 72,875,186.70
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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.