Finding the Fourth Proportional to 81,857,829.48, 112,963,540.05 and 44,688,569.19
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Solution
The fourth proportional to 81,857,829.48, 112,963,540.05 and 44,688,569.19 is: 61,670,081.01
Step by Step Solution
- Step 1: Write the proportion equation
81,857,829.48 : 112,963,540.05 = 44,688,569.19 : x - Step 2: Convert to fraction form
81,857,829.48/112,963,540.05 = 44,688,569.19/x - Step 3: Cross multiply
81,857,829.48x = 112,963,540.05 × 44,688,569.19 - Step 4: Simplify right side
81,857,829.48x = 5,048,178,975,471,761 - Step 5: Solve for x
x = 5,048,178,975,471,761/81,857,829.48 - Step 6: Final answer
x = 61,670,081.01
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.