Finding the Fourth Proportional to 147,310,310.05, 220,901,303.13 and 42,242,437.63
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Solution
The fourth proportional to 147,310,310.05, 220,901,303.13 and 42,242,437.63 is: 63,345,257.47
Step by Step Solution
- Step 1: Write the proportion equation
147,310,310.05 : 220,901,303.13 = 42,242,437.63 : x - Step 2: Convert to fraction form
147,310,310.05/220,901,303.13 = 42,242,437.63/x - Step 3: Cross multiply
147,310,310.05x = 220,901,303.13 × 42,242,437.63 - Step 4: Simplify right side
147,310,310.05x = 9,331,409,518,968,144 - Step 5: Solve for x
x = 9,331,409,518,968,144/147,310,310.05 - Step 6: Final answer
x = 63,345,257.47
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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.