Finding the Fourth Proportional to 175,864,302.47, 242,691,959.97 and 100,509,373.20
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Solution
The fourth proportional to 175,864,302.47, 242,691,959.97 and 100,509,373.20 is: 138,702,490.70
Step by Step Solution
- Step 1: Write the proportion equation
175,864,302.47 : 242,691,959.97 = 100,509,373.20 : x - Step 2: Convert to fraction form
175,864,302.47/242,691,959.97 = 100,509,373.20/x - Step 3: Cross multiply
175,864,302.47x = 242,691,959.97 × 100,509,373.20 - Step 4: Simplify right side
175,864,302.47x = 24,392,816,778,174,284 - Step 5: Solve for x
x = 24,392,816,778,174,284/175,864,302.47 - Step 6: Final answer
x = 138,702,490.70
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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.