Finding the Fourth Proportional to 242,720,637.28, 335,045,567.74 and 159,094,157.06
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Solution
The fourth proportional to 242,720,637.28, 335,045,567.74 and 159,094,157.06 is: 219,609,641.66
Step by Step Solution
- Step 1: Write the proportion equation
242,720,637.28 : 335,045,567.74 = 159,094,157.06 : x - Step 2: Convert to fraction form
242,720,637.28/335,045,567.74 = 159,094,157.06/x - Step 3: Cross multiply
242,720,637.28x = 335,045,567.74 × 159,094,157.06 - Step 4: Simplify right side
242,720,637.28x = 53,303,792,176,284,432 - Step 5: Solve for x
x = 53,303,792,176,284,432/242,720,637.28 - Step 6: Final answer
x = 219,609,641.66
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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.