Finding the Fourth Proportional to 306,938,547.14, 423,580,895.25 and 167,718,326.18
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Solution
The fourth proportional to 306,938,547.14, 423,580,895.25 and 167,718,326.18 is: 231,454,404.85
Step by Step Solution
- Step 1: Write the proportion equation
306,938,547.14 : 423,580,895.25 = 167,718,326.18 : x - Step 2: Convert to fraction form
306,938,547.14/423,580,895.25 = 167,718,326.18/x - Step 3: Cross multiply
306,938,547.14x = 423,580,895.25 × 167,718,326.18 - Step 4: Simplify right side
306,938,547.14x = 71,042,278,753,155,912 - Step 5: Solve for x
x = 71,042,278,753,155,912/306,938,547.14 - Step 6: Final answer
x = 231,454,404.85
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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.