Finding the Fourth Proportional to 163,703,391.23, 245,593,793.70 and 53,038,882.19
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Solution
The fourth proportional to 163,703,391.23, 245,593,793.70 and 53,038,882.19 is: 79,570,864.07
Step by Step Solution
- Step 1: Write the proportion equation
163,703,391.23 : 245,593,793.70 = 53,038,882.19 : x - Step 2: Convert to fraction form
163,703,391.23/245,593,793.70 = 53,038,882.19/x - Step 3: Cross multiply
163,703,391.23x = 245,593,793.70 × 53,038,882.19 - Step 4: Simplify right side
163,703,391.23x = 13,026,020,290,649,462 - Step 5: Solve for x
x = 13,026,020,290,649,462/163,703,391.23 - Step 6: Final answer
x = 79,570,864.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.