Finding the Fourth Proportional to 194,752,053.81, 291,664,403.91 and 112,697,957.07
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Solution
The fourth proportional to 194,752,053.81, 291,664,403.91 and 112,697,957.07 is: 168,778,617.88
Step by Step Solution
- Step 1: Write the proportion equation
194,752,053.81 : 291,664,403.91 = 112,697,957.07 : x - Step 2: Convert to fraction form
194,752,053.81/291,664,403.91 = 112,697,957.07/x - Step 3: Cross multiply
194,752,053.81x = 291,664,403.91 × 112,697,957.07 - Step 4: Simplify right side
194,752,053.81x = 32,869,982,470,696,320 - Step 5: Solve for x
x = 32,869,982,470,696,320/194,752,053.81 - Step 6: Final answer
x = 168,778,617.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.