Finding the Fourth Proportional to 149,615,382.62, 206,467,272.43 and 83,537,005.59
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Solution
The fourth proportional to 149,615,382.62, 206,467,272.43 and 83,537,005.59 is: 115,279,975.82
Step by Step Solution
- Step 1: Write the proportion equation
149,615,382.62 : 206,467,272.43 = 83,537,005.59 : x - Step 2: Convert to fraction form
149,615,382.62/206,467,272.43 = 83,537,005.59/x - Step 3: Cross multiply
149,615,382.62x = 206,467,272.43 × 83,537,005.59 - Step 4: Simplify right side
149,615,382.62x = 17,247,657,690,928,122 - Step 5: Solve for x
x = 17,247,657,690,928,122/149,615,382.62 - Step 6: Final answer
x = 115,279,975.82
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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.