Finding the Fourth Proportional to 103,486,362.70, 155,229,544.05 and 98,447,514.70
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Solution
The fourth proportional to 103,486,362.70, 155,229,544.05 and 98,447,514.70 is: 147,671,272.05
Step by Step Solution
- Step 1: Write the proportion equation
103,486,362.70 : 155,229,544.05 = 98,447,514.70 : x - Step 2: Convert to fraction form
103,486,362.70/155,229,544.05 = 98,447,514.70/x - Step 3: Cross multiply
103,486,362.70x = 155,229,544.05 × 98,447,514.70 - Step 4: Simplify right side
103,486,362.70x = 15,281,962,819,736,674 - Step 5: Solve for x
x = 15,281,962,819,736,674/103,486,362.70 - Step 6: Final answer
x = 147,671,272.05
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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.