Finding the Fourth Proportional to 98,999,248.34, 136,644,076.49 and 67,649,986.62
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Solution
The fourth proportional to 98,999,248.34, 136,644,076.49 and 67,649,986.62 is: 93,374,142.74
Step by Step Solution
- Step 1: Write the proportion equation
98,999,248.34 : 136,644,076.49 = 67,649,986.62 : x - Step 2: Convert to fraction form
98,999,248.34/136,644,076.49 = 67,649,986.62/x - Step 3: Cross multiply
98,999,248.34x = 136,644,076.49 × 67,649,986.62 - Step 4: Simplify right side
98,999,248.34x = 9,243,969,945,912,508 - Step 5: Solve for x
x = 9,243,969,945,912,508/98,999,248.34 - Step 6: Final answer
x = 93,374,142.74
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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.