Finding the Fourth Proportional to 154,070,827.18, 212,620,331.97 and 83,508,674.59
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Solution
The fourth proportional to 154,070,827.18, 212,620,331.97 and 83,508,674.59 is: 115,243,375.01
Step by Step Solution
- Step 1: Write the proportion equation
154,070,827.18 : 212,620,331.97 = 83,508,674.59 : x - Step 2: Convert to fraction form
154,070,827.18/212,620,331.97 = 83,508,674.59/x - Step 3: Cross multiply
154,070,827.18x = 212,620,331.97 × 83,508,674.59 - Step 4: Simplify right side
154,070,827.18x = 17,755,642,113,966,280 - Step 5: Solve for x
x = 17,755,642,113,966,280/154,070,827.18 - Step 6: Final answer
x = 115,243,375.01
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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.