Finding the Fourth Proportional to 68,350,532.19, 94,323,972.54 and 36,988,573.35
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Solution
The fourth proportional to 68,350,532.19, 94,323,972.54 and 36,988,573.35 is: 51,044,360.08
Step by Step Solution
- Step 1: Write the proportion equation
68,350,532.19 : 94,323,972.54 = 36,988,573.35 : x - Step 2: Convert to fraction form
68,350,532.19/94,323,972.54 = 36,988,573.35/x - Step 3: Cross multiply
68,350,532.19x = 94,323,972.54 × 36,988,573.35 - Step 4: Simplify right side
68,350,532.19x = 3,488,909,176,959,176 - Step 5: Solve for x
x = 3,488,909,176,959,176/68,350,532.19 - Step 6: Final answer
x = 51,044,360.08
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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.