Finding the Fourth Proportional to 68,169,844.80, 94,074,490.80 and 38,801,176.74
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Solution
The fourth proportional to 68,169,844.80, 94,074,490.80 and 38,801,176.74 is: 53,545,683.65
Step by Step Solution
- Step 1: Write the proportion equation
68,169,844.80 : 94,074,490.80 = 38,801,176.74 : x - Step 2: Convert to fraction form
68,169,844.80/94,074,490.80 = 38,801,176.74/x - Step 3: Cross multiply
68,169,844.80x = 94,074,490.80 × 38,801,176.74 - Step 4: Simplify right side
68,169,844.80x = 3,650,200,944,256,304 - Step 5: Solve for x
x = 3,650,200,944,256,304/68,169,844.80 - Step 6: Final answer
x = 53,545,683.65
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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.