Finding the Fourth Proportional to 97,897,234.80, 146,845,852.20 and 91,850,617.20
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Solution
The fourth proportional to 97,897,234.80, 146,845,852.20 and 91,850,617.20 is: 137,775,925.80
Step by Step Solution
- Step 1: Write the proportion equation
97,897,234.80 : 146,845,852.20 = 91,850,617.20 : x - Step 2: Convert to fraction form
97,897,234.80/146,845,852.20 = 91,850,617.20/x - Step 3: Cross multiply
97,897,234.80x = 146,845,852.20 × 91,850,617.20 - Step 4: Simplify right side
97,897,234.80x = 13,487,882,157,829,978 - Step 5: Solve for x
x = 13,487,882,157,829,978/97,897,234.80 - Step 6: Final answer
x = 137,775,925.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.