Finding the Fourth Proportional to 170,828,943.81, 256,287,111.98 and 49,660,395.81
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Solution
The fourth proportional to 170,828,943.81, 256,287,111.98 and 49,660,395.81 is: 74,503,296.33
Step by Step Solution
- Step 1: Write the proportion equation
170,828,943.81 : 256,287,111.98 = 49,660,395.81 : x - Step 2: Convert to fraction form
170,828,943.81/256,287,111.98 = 49,660,395.81/x - Step 3: Cross multiply
170,828,943.81x = 256,287,111.98 × 49,660,395.81 - Step 4: Simplify right side
170,828,943.81x = 12,727,319,421,680,292 - Step 5: Solve for x
x = 12,727,319,421,680,292/170,828,943.81 - Step 6: Final answer
x = 74,503,296.33
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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.