Finding the Fourth Proportional to 68,828,809.68, 103,244,309.40 and 38,317,321.62
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Solution
The fourth proportional to 68,828,809.68, 103,244,309.40 and 38,317,321.62 is: 57,476,591.95
Step by Step Solution
- Step 1: Write the proportion equation
68,828,809.68 : 103,244,309.40 = 38,317,321.62 : x - Step 2: Convert to fraction form
68,828,809.68/103,244,309.40 = 38,317,321.62/x - Step 3: Cross multiply
68,828,809.68x = 103,244,309.40 × 38,317,321.62 - Step 4: Simplify right side
68,828,809.68x = 3,956,045,408,714,589 - Step 5: Solve for x
x = 3,956,045,408,714,589/68,828,809.68 - Step 6: Final answer
x = 57,476,591.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.