Finding the Fourth Proportional to 306,938,549.14, 423,580,898.01 and 167,718,328.18
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Solution
The fourth proportional to 306,938,549.14, 423,580,898.01 and 167,718,328.18 is: 231,454,407.61
Step by Step Solution
- Step 1: Write the proportion equation
306,938,549.14 : 423,580,898.01 = 167,718,328.18 : x - Step 2: Convert to fraction form
306,938,549.14/423,580,898.01 = 167,718,328.18/x - Step 3: Cross multiply
306,938,549.14x = 423,580,898.01 × 167,718,328.18 - Step 4: Simplify right side
306,938,549.14x = 71,042,280,063,220,288 - Step 5: Solve for x
x = 71,042,280,063,220,288/306,938,549.14 - Step 6: Final answer
x = 231,454,407.61
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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.