Finding the Fourth Proportional to 99,563,236.84, 137,406,289.50 and 60,414,930.82
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Solution
The fourth proportional to 99,563,236.84, 137,406,289.50 and 60,414,930.82 is: 83,378,079.48
Step by Step Solution
- Step 1: Write the proportion equation
99,563,236.84 : 137,406,289.50 = 60,414,930.82 : x - Step 2: Convert to fraction form
99,563,236.84/137,406,289.50 = 60,414,930.82/x - Step 3: Cross multiply
99,563,236.84x = 137,406,289.50 × 60,414,930.82 - Step 4: Simplify right side
99,563,236.84x = 8,301,391,474,375,392 - Step 5: Solve for x
x = 8,301,391,474,375,392/99,563,236.84 - Step 6: Final answer
x = 83,378,079.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.