Finding the Fourth Proportional to 286,295,429.27, 395,092,916.12 and 159,148,046.99
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Solution
The fourth proportional to 286,295,429.27, 395,092,916.12 and 159,148,046.99 is: 219,627,208.65
Step by Step Solution
- Step 1: Write the proportion equation
286,295,429.27 : 395,092,916.12 = 159,148,046.99 : x - Step 2: Convert to fraction form
286,295,429.27/395,092,916.12 = 159,148,046.99/x - Step 3: Cross multiply
286,295,429.27x = 395,092,916.12 × 159,148,046.99 - Step 4: Simplify right side
286,295,429.27x = 62,878,265,980,081,896 - Step 5: Solve for x
x = 62,878,265,980,081,896/286,295,429.27 - Step 6: Final answer
x = 219,627,208.65
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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.