Finding the Fourth Proportional to 210,614,403.80, 315,921,605.70 and 183,740,547.80
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Solution
The fourth proportional to 210,614,403.80, 315,921,605.70 and 183,740,547.80 is: 275,610,821.70
Step by Step Solution
- Step 1: Write the proportion equation
210,614,403.80 : 315,921,605.70 = 183,740,547.80 : x - Step 2: Convert to fraction form
210,614,403.80/315,921,605.70 = 183,740,547.80/x - Step 3: Cross multiply
210,614,403.80x = 315,921,605.70 × 183,740,547.80 - Step 4: Simplify right side
210,614,403.80x = 58,047,608,893,173,608 - Step 5: Solve for x
x = 58,047,608,893,173,608/210,614,403.80 - Step 6: Final answer
x = 275,610,821.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.