Finding the Fourth Proportional to 210,029,726.99, 289,833,426.92 and 115,941,853.78
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Solution
The fourth proportional to 210,029,726.99, 289,833,426.92 and 115,941,853.78 is: 159,995,564.84
Step by Step Solution
- Step 1: Write the proportion equation
210,029,726.99 : 289,833,426.92 = 115,941,853.78 : x - Step 2: Convert to fraction form
210,029,726.99/289,833,426.92 = 115,941,853.78/x - Step 3: Cross multiply
210,029,726.99x = 289,833,426.92 × 115,941,853.78 - Step 4: Simplify right side
210,029,726.99x = 33,603,824,804,080,228 - Step 5: Solve for x
x = 33,603,824,804,080,228/210,029,726.99 - Step 6: Final answer
x = 159,995,564.84
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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.