Finding the Fourth Proportional to 68,170,117.78, 94,077,083.77 and 40,316,704.48
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Solution
The fourth proportional to 68,170,117.78, 94,077,083.77 and 40,316,704.48 is: 55,638,424.99
Step by Step Solution
- Step 1: Write the proportion equation
68,170,117.78 : 94,077,083.77 = 40,316,704.48 : x - Step 2: Convert to fraction form
68,170,117.78/94,077,083.77 = 40,316,704.48/x - Step 3: Cross multiply
68,170,117.78x = 94,077,083.77 × 40,316,704.48 - Step 4: Simplify right side
68,170,117.78x = 3,792,877,984,695,294 - Step 5: Solve for x
x = 3,792,877,984,695,294/68,170,117.78 - Step 6: Final answer
x = 55,638,424.99
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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.