Finding the Fourth Proportional to 99,656,343.20, 149,484,514.80 and 93,279,051.20
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Solution
The fourth proportional to 99,656,343.20, 149,484,514.80 and 93,279,051.20 is: 139,918,576.80
Step by Step Solution
- Step 1: Write the proportion equation
99,656,343.20 : 149,484,514.80 = 93,279,051.20 : x - Step 2: Convert to fraction form
99,656,343.20/149,484,514.80 = 93,279,051.20/x - Step 3: Cross multiply
99,656,343.20x = 149,484,514.80 × 93,279,051.20 - Step 4: Simplify right side
99,656,343.20x = 13,943,773,709,636,360 - Step 5: Solve for x
x = 13,943,773,709,636,360/99,656,343.20 - Step 6: Final answer
x = 139,918,576.80
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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.