Finding the Fourth Proportional to 49,063,728.98, 67,708,393.79 and 27,038,018.68
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Solution
The fourth proportional to 49,063,728.98, 67,708,393.79 and 27,038,018.68 is: 37,312,712.55
Step by Step Solution
- Step 1: Write the proportion equation
49,063,728.98 : 67,708,393.79 = 27,038,018.68 : x - Step 2: Convert to fraction form
49,063,728.98/67,708,393.79 = 27,038,018.68/x - Step 3: Cross multiply
49,063,728.98x = 67,708,393.79 × 27,038,018.68 - Step 4: Simplify right side
49,063,728.98x = 1,830,700,816,205,532.25 - Step 5: Solve for x
x = 1,830,700,816,205,532.25/49,063,728.98 - Step 6: Final answer
x = 37,312,712.55
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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.