Finding the Fourth Proportional to 85,376,763.08, 117,819,908.26 and 46,218,510.99
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Solution
The fourth proportional to 85,376,763.08, 117,819,908.26 and 46,218,510.99 is: 63,781,531.75
Step by Step Solution
- Step 1: Write the proportion equation
85,376,763.08 : 117,819,908.26 = 46,218,510.99 : x - Step 2: Convert to fraction form
85,376,763.08/117,819,908.26 = 46,218,510.99/x - Step 3: Cross multiply
85,376,763.08x = 117,819,908.26 × 46,218,510.99 - Step 4: Simplify right side
85,376,763.08x = 5,445,460,724,640,055 - Step 5: Solve for x
x = 5,445,460,724,640,055/85,376,763.08 - Step 6: Final answer
x = 63,781,531.75
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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.