Finding the Fourth Proportional to 90,196,696.07, 124,471,781.99 and 48,943,588.44
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Solution
The fourth proportional to 90,196,696.07, 124,471,781.99 and 48,943,588.44 is: 67,542,337.31
Step by Step Solution
- Step 1: Write the proportion equation
90,196,696.07 : 124,471,781.99 = 48,943,588.44 : x - Step 2: Convert to fraction form
90,196,696.07/124,471,781.99 = 48,943,588.44/x - Step 3: Cross multiply
90,196,696.07x = 124,471,781.99 × 48,943,588.44 - Step 4: Simplify right side
90,196,696.07x = 6,092,095,670,517,554 - Step 5: Solve for x
x = 6,092,095,670,517,554/90,196,696.07 - Step 6: Final answer
x = 67,542,337.31
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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.