Finding the Fourth Proportional to 193,671,495.12, 290,335,239.81 and 75,468,887.94
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Solution
The fourth proportional to 193,671,495.12, 290,335,239.81 and 75,468,887.94 is: 113,136,306.74
Step by Step Solution
- Step 1: Write the proportion equation
193,671,495.12 : 290,335,239.81 = 75,468,887.94 : x - Step 2: Convert to fraction form
193,671,495.12/290,335,239.81 = 75,468,887.94/x - Step 3: Cross multiply
193,671,495.12x = 290,335,239.81 × 75,468,887.94 - Step 4: Simplify right side
193,671,495.12x = 21,911,277,678,253,916 - Step 5: Solve for x
x = 21,911,277,678,253,916/193,671,495.12 - Step 6: Final answer
x = 113,136,306.74
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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.