Finding the Fourth Proportional to 98,806,234.77, 136,307,892.07 and 59,635,490.13
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Solution
The fourth proportional to 98,806,234.77, 136,307,892.07 and 59,635,490.13 is: 82,269,990.06
Step by Step Solution
- Step 1: Write the proportion equation
98,806,234.77 : 136,307,892.07 = 59,635,490.13 : x - Step 2: Convert to fraction form
98,806,234.77/136,307,892.07 = 59,635,490.13/x - Step 3: Cross multiply
98,806,234.77x = 136,307,892.07 × 59,635,490.13 - Step 4: Simplify right side
98,806,234.77x = 8,128,787,952,181,590 - Step 5: Solve for x
x = 8,128,787,952,181,590/98,806,234.77 - Step 6: Final answer
x = 82,269,990.06
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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.