Finding the Fourth Proportional to 99,810,592.56, 137,730,930.36 and 56,354,817.84
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Solution
The fourth proportional to 99,810,592.56, 137,730,930.36 and 56,354,817.84 is: 77,765,308.19
Step by Step Solution
- Step 1: Write the proportion equation
99,810,592.56 : 137,730,930.36 = 56,354,817.84 : x - Step 2: Convert to fraction form
99,810,592.56/137,730,930.36 = 56,354,817.84/x - Step 3: Cross multiply
99,810,592.56x = 137,730,930.36 × 56,354,817.84 - Step 4: Simplify right side
99,810,592.56x = 7,761,801,491,371,527 - Step 5: Solve for x
x = 7,761,801,491,371,527/99,810,592.56 - Step 6: Final answer
x = 77,765,308.19
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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.