Finding the Fourth Proportional to 69,687,001.58, 96,163,062.09 and 38,327,225.72
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Solution
The fourth proportional to 69,687,001.58, 96,163,062.09 and 38,327,225.72 is: 52,888,821.49
Step by Step Solution
- Step 1: Write the proportion equation
69,687,001.58 : 96,163,062.09 = 38,327,225.72 : x - Step 2: Convert to fraction form
69,687,001.58/96,163,062.09 = 38,327,225.72/x - Step 3: Cross multiply
69,687,001.58x = 96,163,062.09 × 38,327,225.72 - Step 4: Simplify right side
69,687,001.58x = 3,685,663,386,649,805 - Step 5: Solve for x
x = 3,685,663,386,649,805/69,687,001.58 - Step 6: Final answer
x = 52,888,821.49
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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.