Finding the Fourth Proportional to 216,878,096.03, 299,292,126.80 and 117,759,035.12
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Solution
The fourth proportional to 216,878,096.03, 299,292,126.80 and 117,759,035.12 is: 162,507,660.82
Step by Step Solution
- Step 1: Write the proportion equation
216,878,096.03 : 299,292,126.80 = 117,759,035.12 : x - Step 2: Convert to fraction form
216,878,096.03/299,292,126.80 = 117,759,035.12/x - Step 3: Cross multiply
216,878,096.03x = 299,292,126.80 × 117,759,035.12 - Step 4: Simplify right side
216,878,096.03x = 35,244,352,068,895,436 - Step 5: Solve for x
x = 35,244,352,068,895,436/216,878,096.03 - Step 6: Final answer
x = 162,507,660.82
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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.