Finding the Fourth Proportional to 180,731,728.80, 270,908,636.40 and 98,724,477.60
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Solution
The fourth proportional to 180,731,728.80, 270,908,636.40 and 98,724,477.60 is: 147,983,498.99
Step by Step Solution
- Step 1: Write the proportion equation
180,731,728.80 : 270,908,636.40 = 98,724,477.60 : x - Step 2: Convert to fraction form
180,731,728.80/270,908,636.40 = 98,724,477.60/x - Step 3: Cross multiply
180,731,728.80x = 270,908,636.40 × 98,724,477.60 - Step 4: Simplify right side
180,731,728.80x = 26,745,313,605,918,340 - Step 5: Solve for x
x = 26,745,313,605,918,340/180,731,728.80 - Step 6: Final answer
x = 147,983,498.99
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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.