Finding the Fourth Proportional to 68,163,242.72, 94,052,612.36 and 38,792,829.02
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Solution
The fourth proportional to 68,163,242.72, 94,052,612.36 and 38,792,829.02 is: 53,526,897.55
Step by Step Solution
- Step 1: Write the proportion equation
68,163,242.72 : 94,052,612.36 = 38,792,829.02 : x - Step 2: Convert to fraction form
68,163,242.72/94,052,612.36 = 38,792,829.02/x - Step 3: Cross multiply
68,163,242.72x = 94,052,612.36 × 38,792,829.02 - Step 4: Simplify right side
68,163,242.72x = 3,648,566,909,792,537.50 - Step 5: Solve for x
x = 3,648,566,909,792,537.50/68,163,242.72 - Step 6: Final answer
x = 53,526,897.55
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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.