Finding the Fourth Proportional to 90,979,570.08, 125,551,800.09 and 49,163,654.07
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Solution
The fourth proportional to 90,979,570.08, 125,551,800.09 and 49,163,654.07 is: 67,845,839.04
Step by Step Solution
- Step 1: Write the proportion equation
90,979,570.08 : 125,551,800.09 = 49,163,654.07 : x - Step 2: Convert to fraction form
90,979,570.08/125,551,800.09 = 49,163,654.07/x - Step 3: Cross multiply
90,979,570.08x = 125,551,800.09 × 49,163,654.07 - Step 4: Simplify right side
90,979,570.08x = 6,172,585,267,490,555 - Step 5: Solve for x
x = 6,172,585,267,490,555/90,979,570.08 - Step 6: Final answer
x = 67,845,839.04
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1.5x scale
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.