Finding the Fourth Proportional to 124,416,657.20, 186,624,985.80 and 115,346,730.80
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Solution
The fourth proportional to 124,416,657.20, 186,624,985.80 and 115,346,730.80 is: 173,020,096.20
Step by Step Solution
- Step 1: Write the proportion equation
124,416,657.20 : 186,624,985.80 = 115,346,730.80 : x - Step 2: Convert to fraction form
124,416,657.20/186,624,985.80 = 115,346,730.80/x - Step 3: Cross multiply
124,416,657.20x = 186,624,985.80 × 115,346,730.80 - Step 4: Simplify right side
124,416,657.20x = 21,526,581,997,626,424 - Step 5: Solve for x
x = 21,526,581,997,626,424/124,416,657.20 - Step 6: Final answer
x = 173,020,096.20
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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.