Finding the Fourth Proportional to 215,172,934.84, 322,758,328.79 and 84,028,535.16
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Solution
The fourth proportional to 215,172,934.84, 322,758,328.79 and 84,028,535.16 is: 126,042,383.53
Step by Step Solution
- Step 1: Write the proportion equation
215,172,934.84 : 322,758,328.79 = 84,028,535.16 : x - Step 2: Convert to fraction form
215,172,934.84/322,758,328.79 = 84,028,535.16/x - Step 3: Cross multiply
215,172,934.84x = 322,758,328.79 × 84,028,535.16 - Step 4: Simplify right side
215,172,934.84x = 27,120,909,578,913,356 - Step 5: Solve for x
x = 27,120,909,578,913,356/215,172,934.84 - Step 6: Final answer
x = 126,042,383.53
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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.