Finding the Fourth Proportional to 52,251,852.02, 78,368,613.08 and 19,905,695.55
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Solution
The fourth proportional to 52,251,852.02, 78,368,613.08 and 19,905,695.55 is: 29,855,051.88
Step by Step Solution
- Step 1: Write the proportion equation
52,251,852.02 : 78,368,613.08 = 19,905,695.55 : x - Step 2: Convert to fraction form
52,251,852.02/78,368,613.08 = 19,905,695.55/x - Step 3: Cross multiply
52,251,852.02x = 78,368,613.08 × 19,905,695.55 - Step 4: Simplify right side
52,251,852.02x = 1,559,981,752,546,699.50 - Step 5: Solve for x
x = 1,559,981,752,546,699.50/52,251,852.02 - Step 6: Final answer
x = 29,855,051.88
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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.