Finding the Fourth Proportional to 188,356,220.66, 259,934,606.19 and 103,586,689.53
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Solution
The fourth proportional to 188,356,220.66, 259,934,606.19 and 103,586,689.53 is: 142,951,293.33
Step by Step Solution
- Step 1: Write the proportion equation
188,356,220.66 : 259,934,606.19 = 103,586,689.53 : x - Step 2: Convert to fraction form
188,356,220.66/259,934,606.19 = 103,586,689.53/x - Step 3: Cross multiply
188,356,220.66x = 259,934,606.19 × 103,586,689.53 - Step 4: Simplify right side
188,356,220.66x = 26,925,765,349,506,348 - Step 5: Solve for x
x = 26,925,765,349,506,348/188,356,220.66 - Step 6: Final answer
x = 142,951,293.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.