Finding the Fourth Proportional to 61,266,385.72, 84,547,625.61 and 33,389,102.53
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Solution
The fourth proportional to 61,266,385.72, 84,547,625.61 and 33,389,102.53 is: 46,076,968.75
Step by Step Solution
- Step 1: Write the proportion equation
61,266,385.72 : 84,547,625.61 = 33,389,102.53 : x - Step 2: Convert to fraction form
61,266,385.72/84,547,625.61 = 33,389,102.53/x - Step 3: Cross multiply
61,266,385.72x = 84,547,625.61 × 33,389,102.53 - Step 4: Simplify right side
61,266,385.72x = 2,822,969,340,160,344 - Step 5: Solve for x
x = 2,822,969,340,160,344/61,266,385.72 - Step 6: Final answer
x = 46,076,968.75
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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.