Finding the Fourth Proportional to 154,264,827.52, 212,884,878 and 84,651,373.36
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Solution
The fourth proportional to 154,264,827.52, 212,884,878 and 84,651,373.36 is: 116,818,574.78
Step by Step Solution
- Step 1: Write the proportion equation
154,264,827.52 : 212,884,878 = 84,651,373.36 : x - Step 2: Convert to fraction form
154,264,827.52/212,884,878 = 84,651,373.36/x - Step 3: Cross multiply
154,264,827.52x = 212,884,878 × 84,651,373.36 - Step 4: Simplify right side
154,264,827.52x = 18,020,997,290,276,048 - Step 5: Solve for x
x = 18,020,997,290,276,048/154,264,827.52 - Step 6: Final answer
x = 116,818,574.78
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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.