Finding the Fourth Proportional to 235,640,934.84, 325,184,488.82 and 136,579,142.52
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Solution
The fourth proportional to 235,640,934.84, 325,184,488.82 and 136,579,142.52 is: 188,479,215.94
Step by Step Solution
- Step 1: Write the proportion equation
235,640,934.84 : 325,184,488.82 = 136,579,142.52 : x - Step 2: Convert to fraction form
235,640,934.84/325,184,488.82 = 136,579,142.52/x - Step 3: Cross multiply
235,640,934.84x = 325,184,488.82 × 136,579,142.52 - Step 4: Simplify right side
235,640,934.84x = 44,413,418,643,157,232 - Step 5: Solve for x
x = 44,413,418,643,157,232/235,640,934.84 - Step 6: Final answer
x = 188,479,215.94
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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.