Finding the Fourth Proportional to 97,026,657.20, 145,539,985.80 and 48,511,998.80
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Solution
The fourth proportional to 97,026,657.20, 145,539,985.80 and 48,511,998.80 is: 72,767,998.20
Step by Step Solution
- Step 1: Write the proportion equation
97,026,657.20 : 145,539,985.80 = 48,511,998.80 : x - Step 2: Convert to fraction form
97,026,657.20/145,539,985.80 = 48,511,998.80/x - Step 3: Cross multiply
97,026,657.20x = 145,539,985.80 × 48,511,998.80 - Step 4: Simplify right side
97,026,657.20x = 7,060,435,616,481,617 - Step 5: Solve for x
x = 7,060,435,616,481,617/97,026,657.20 - Step 6: Final answer
x = 72,767,998.20
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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.