Finding the Fourth Proportional to 90,971,663.76, 125,601,494.28 and 53,813,881.08
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Solution
The fourth proportional to 90,971,663.76, 125,601,494.28 and 53,813,881.08 is: 74,299,002.54
Step by Step Solution
- Step 1: Write the proportion equation
90,971,663.76 : 125,601,494.28 = 53,813,881.08 : x - Step 2: Convert to fraction form
90,971,663.76/125,601,494.28 = 53,813,881.08/x - Step 3: Cross multiply
90,971,663.76x = 125,601,494.28 × 53,813,881.08 - Step 4: Simplify right side
90,971,663.76x = 6,759,103,876,654,220 - Step 5: Solve for x
x = 6,759,103,876,654,220/90,971,663.76 - Step 6: Final answer
x = 74,299,002.54
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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.