Finding the Fourth Proportional to 195,955,221.28, 293,998,907.76 and 86,765,483.68
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Solution
The fourth proportional to 195,955,221.28, 293,998,907.76 and 86,765,483.68 is: 130,177,482.73
Step by Step Solution
- Step 1: Write the proportion equation
195,955,221.28 : 293,998,907.76 = 86,765,483.68 : x - Step 2: Convert to fraction form
195,955,221.28/293,998,907.76 = 86,765,483.68/x - Step 3: Cross multiply
195,955,221.28x = 293,998,907.76 × 86,765,483.68 - Step 4: Simplify right side
195,955,221.28x = 25,508,957,433,188,108 - Step 5: Solve for x
x = 25,508,957,433,188,108/195,955,221.28 - Step 6: Final answer
x = 130,177,482.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.