Finding the Fourth Proportional to 151,389,274.71, 208,917,283.07 and 81,774,655.97
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Solution
The fourth proportional to 151,389,274.71, 208,917,283.07 and 81,774,655.97 is: 112,849,070.59
Step by Step Solution
- Step 1: Write the proportion equation
151,389,274.71 : 208,917,283.07 = 81,774,655.97 : x - Step 2: Convert to fraction form
151,389,274.71/208,917,283.07 = 81,774,655.97/x - Step 3: Cross multiply
151,389,274.71x = 208,917,283.07 × 81,774,655.97 - Step 4: Simplify right side
151,389,274.71x = 17,084,138,948,827,482 - Step 5: Solve for x
x = 17,084,138,948,827,482/151,389,274.71 - Step 6: Final answer
x = 112,849,070.59
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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.