Finding the Fourth Proportional to 195,955,219.28, 293,998,904.76 and 86,765,481.68
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Solution
The fourth proportional to 195,955,219.28, 293,998,904.76 and 86,765,481.68 is: 130,177,479.73
Step by Step Solution
- Step 1: Write the proportion equation
195,955,219.28 : 293,998,904.76 = 86,765,481.68 : x - Step 2: Convert to fraction form
195,955,219.28/293,998,904.76 = 86,765,481.68/x - Step 3: Cross multiply
195,955,219.28x = 293,998,904.76 × 86,765,481.68 - Step 4: Simplify right side
195,955,219.28x = 25,508,956,584,893,848 - Step 5: Solve for x
x = 25,508,956,584,893,848/195,955,219.28 - Step 6: Final answer
x = 130,177,479.73
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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.