Finding the Fourth Proportional to 90,804,689.17, 125,313,118.22 and 49,554,238.75
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Solution
The fourth proportional to 90,804,689.17, 125,313,118.22 and 49,554,238.75 is: 68,386,294.09
Step by Step Solution
- Step 1: Write the proportion equation
90,804,689.17 : 125,313,118.22 = 49,554,238.75 : x - Step 2: Convert to fraction form
90,804,689.17/125,313,118.22 = 49,554,238.75/x - Step 3: Cross multiply
90,804,689.17x = 125,313,118.22 × 49,554,238.75 - Step 4: Simplify right side
90,804,689.17x = 6,209,796,178,780,855 - Step 5: Solve for x
x = 6,209,796,178,780,855/90,804,689.17 - Step 6: Final answer
x = 68,386,294.09
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1.5x scale
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.