Finding the Fourth Proportional to 52,708,357.68, 72,738,276.30 and 30,368,997.36
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Solution
The fourth proportional to 52,708,357.68, 72,738,276.30 and 30,368,997.36 is: 41,909,644.28
Step by Step Solution
- Step 1: Write the proportion equation
52,708,357.68 : 72,738,276.30 = 30,368,997.36 : x - Step 2: Convert to fraction form
52,708,357.68/72,738,276.30 = 30,368,997.36/x - Step 3: Cross multiply
52,708,357.68x = 72,738,276.30 × 30,368,997.36 - Step 4: Simplify right side
52,708,357.68x = 2,208,988,520,925,650.50 - Step 5: Solve for x
x = 2,208,988,520,925,650.50/52,708,357.68 - Step 6: Final answer
x = 41,909,644.28
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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.