Finding the Fourth Proportional to 77,898,056.71, 107,489,952.79 and 44,869,047.77
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Solution
The fourth proportional to 77,898,056.71, 107,489,952.79 and 44,869,047.77 is: 61,913,891.43
Step by Step Solution
- Step 1: Write the proportion equation
77,898,056.71 : 107,489,952.79 = 44,869,047.77 : x - Step 2: Convert to fraction form
77,898,056.71/107,489,952.79 = 44,869,047.77/x - Step 3: Cross multiply
77,898,056.71x = 107,489,952.79 × 44,869,047.77 - Step 4: Simplify right side
77,898,056.71x = 4,822,971,826,081,368 - Step 5: Solve for x
x = 4,822,971,826,081,368/77,898,056.71 - Step 6: Final answer
x = 61,913,891.43
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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.