Finding the Fourth Proportional to 242,720,637.84, 335,045,568.51 and 159,094,157.63
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Solution
The fourth proportional to 242,720,637.84, 335,045,568.51 and 159,094,157.63 is: 219,609,642.44
Step by Step Solution
- Step 1: Write the proportion equation
242,720,637.84 : 335,045,568.51 = 159,094,157.63 : x - Step 2: Convert to fraction form
242,720,637.84/335,045,568.51 = 159,094,157.63/x - Step 3: Cross multiply
242,720,637.84x = 335,045,568.51 × 159,094,157.63 - Step 4: Simplify right side
242,720,637.84x = 53,303,792,488,087,672 - Step 5: Solve for x
x = 53,303,792,488,087,672/242,720,637.84 - Step 6: Final answer
x = 219,609,642.44
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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.