Finding the Fourth Proportional to 68,342,913.22, 94,294,531.97 and 38,963,526.13
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Solution
The fourth proportional to 68,342,913.22, 94,294,531.97 and 38,963,526.13 is: 53,759,011.54
Step by Step Solution
- Step 1: Write the proportion equation
68,342,913.22 : 94,294,531.97 = 38,963,526.13 : x - Step 2: Convert to fraction form
68,342,913.22/94,294,531.97 = 38,963,526.13/x - Step 3: Cross multiply
68,342,913.22x = 94,294,531.97 × 38,963,526.13 - Step 4: Simplify right side
68,342,913.22x = 3,674,047,460,421,447 - Step 5: Solve for x
x = 3,674,047,460,421,447/68,342,913.22 - Step 6: Final answer
x = 53,759,011.54
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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.