Finding the Fourth Proportional to 177,498,467.60, 266,121,730.20 and 68,281,437.20
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Solution
The fourth proportional to 177,498,467.60, 266,121,730.20 and 68,281,437.20 is: 102,373,696.26
Step by Step Solution
- Step 1: Write the proportion equation
177,498,467.60 : 266,121,730.20 = 68,281,437.20 : x - Step 2: Convert to fraction form
177,498,467.60/266,121,730.20 = 68,281,437.20/x - Step 3: Cross multiply
177,498,467.60x = 266,121,730.20 × 68,281,437.20 - Step 4: Simplify right side
177,498,467.60x = 18,171,174,208,206,644 - Step 5: Solve for x
x = 18,171,174,208,206,644/177,498,467.60 - Step 6: Final answer
x = 102,373,696.26
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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.