Finding the Fourth Proportional to 67,918,617.29, 93,785,948.08 and 65,722,351.93
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Solution
The fourth proportional to 67,918,617.29, 93,785,948.08 and 65,722,351.93 is: 90,753,218.07
Step by Step Solution
- Step 1: Write the proportion equation
67,918,617.29 : 93,785,948.08 = 65,722,351.93 : x - Step 2: Convert to fraction form
67,918,617.29/93,785,948.08 = 65,722,351.93/x - Step 3: Cross multiply
67,918,617.29x = 93,785,948.08 × 65,722,351.93 - Step 4: Simplify right side
67,918,617.29x = 6,163,833,085,802,468 - Step 5: Solve for x
x = 6,163,833,085,802,468/67,918,617.29 - Step 6: Final answer
x = 90,753,218.07
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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.