Finding the Fourth Proportional to 266,252,511.51, 367,421,416.94 and 148,778,807.06
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Solution
The fourth proportional to 266,252,511.51, 367,421,416.94 and 148,778,807.06 is: 205,310,814.88
Step by Step Solution
- Step 1: Write the proportion equation
266,252,511.51 : 367,421,416.94 = 148,778,807.06 : x - Step 2: Convert to fraction form
266,252,511.51/367,421,416.94 = 148,778,807.06/x - Step 3: Cross multiply
266,252,511.51x = 367,421,416.94 × 148,778,807.06 - Step 4: Simplify right side
266,252,511.51x = 54,664,520,101,918,576 - Step 5: Solve for x
x = 54,664,520,101,918,576/266,252,511.51 - Step 6: Final answer
x = 205,310,814.88
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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.