Finding the Fourth Proportional to 85,623,948.98, 118,161,125.97 and 46,465,726.10
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Solution
The fourth proportional to 85,623,948.98, 118,161,125.97 and 46,465,726.10 is: 64,122,743.47
Step by Step Solution
- Step 1: Write the proportion equation
85,623,948.98 : 118,161,125.97 = 46,465,726.10 : x - Step 2: Convert to fraction form
85,623,948.98/118,161,125.97 = 46,465,726.10/x - Step 3: Cross multiply
85,623,948.98x = 118,161,125.97 × 46,465,726.10 - Step 4: Simplify right side
85,623,948.98x = 5,490,442,514,989,617 - Step 5: Solve for x
x = 5,490,442,514,989,617/85,623,948.98 - Step 6: Final answer
x = 64,122,743.47
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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.