Finding the Fourth Proportional to 112,273,154.19, 155,088,599.13 and 84,605,006.88
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Solution
The fourth proportional to 112,273,154.19, 155,088,599.13 and 84,605,006.88 is: 116,869,184.72
Step by Step Solution
- Step 1: Write the proportion equation
112,273,154.19 : 155,088,599.13 = 84,605,006.88 : x - Step 2: Convert to fraction form
112,273,154.19/155,088,599.13 = 84,605,006.88/x - Step 3: Cross multiply
112,273,154.19x = 155,088,599.13 × 84,605,006.88 - Step 4: Simplify right side
112,273,154.19x = 13,121,271,996,403,210 - Step 5: Solve for x
x = 13,121,271,996,403,210/112,273,154.19 - Step 6: Final answer
x = 116,869,184.72
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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.