Finding the Fourth Proportional to 278,028,584.06, 417,110,301.29 and 83,928,404.75
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Solution
The fourth proportional to 278,028,584.06, 417,110,301.29 and 83,928,404.75 is: 125,912,960.75
Step by Step Solution
- Step 1: Write the proportion equation
278,028,584.06 : 417,110,301.29 = 83,928,404.75 : x - Step 2: Convert to fraction form
278,028,584.06/417,110,301.29 = 83,928,404.75/x - Step 3: Cross multiply
278,028,584.06x = 417,110,301.29 × 83,928,404.75 - Step 4: Simplify right side
278,028,584.06x = 35,007,402,190,185,840 - Step 5: Solve for x
x = 35,007,402,190,185,840/278,028,584.06 - Step 6: Final answer
x = 125,912,960.75
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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.