Finding the Fourth Proportional to 83,038,230.30, 124,557,345.45 and 61,514,869.80
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Solution
The fourth proportional to 83,038,230.30, 124,557,345.45 and 61,514,869.80 is: 92,272,304.70
Step by Step Solution
- Step 1: Write the proportion equation
83,038,230.30 : 124,557,345.45 = 61,514,869.80 : x - Step 2: Convert to fraction form
83,038,230.30/124,557,345.45 = 61,514,869.80/x - Step 3: Cross multiply
83,038,230.30x = 124,557,345.45 × 61,514,869.80 - Step 4: Simplify right side
83,038,230.30x = 7,662,128,887,990,372 - Step 5: Solve for x
x = 7,662,128,887,990,372/83,038,230.30 - Step 6: Final answer
x = 92,272,304.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.