Finding the Fourth Proportional to 202,292,963.12, 279,163,262.77 and 109,473,470.97
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Solution
The fourth proportional to 202,292,963.12, 279,163,262.77 and 109,473,470.97 is: 151,072,834.52
Step by Step Solution
- Step 1: Write the proportion equation
202,292,963.12 : 279,163,262.77 = 109,473,470.97 : x - Step 2: Convert to fraction form
202,292,963.12/279,163,262.77 = 109,473,470.97/x - Step 3: Cross multiply
202,292,963.12x = 279,163,262.77 × 109,473,470.97 - Step 4: Simplify right side
202,292,963.12x = 30,560,971,341,421,528 - Step 5: Solve for x
x = 30,560,971,341,421,528/202,292,963.12 - Step 6: Final answer
x = 151,072,834.52
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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.