Finding the Fourth Proportional to 88,905,753.12, 133,358,629.84 and 58,606,530.24
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Solution
The fourth proportional to 88,905,753.12, 133,358,629.84 and 58,606,530.24 is: 87,909,795.47
Step by Step Solution
- Step 1: Write the proportion equation
88,905,753.12 : 133,358,629.84 = 58,606,530.24 : x - Step 2: Convert to fraction form
88,905,753.12/133,358,629.84 = 58,606,530.24/x - Step 3: Cross multiply
88,905,753.12x = 133,358,629.84 × 58,606,530.24 - Step 4: Simplify right side
88,905,753.12x = 7,815,686,572,482,927 - Step 5: Solve for x
x = 7,815,686,572,482,927/88,905,753.12 - Step 6: Final answer
x = 87,909,795.47
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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.