Finding the Fourth Proportional to 276,155,104.74, 381,102,124.05 and 150,715,346.19
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Solution
The fourth proportional to 276,155,104.74, 381,102,124.05 and 150,715,346.19 is: 207,991,587.24
Step by Step Solution
- Step 1: Write the proportion equation
276,155,104.74 : 381,102,124.05 = 150,715,346.19 : x - Step 2: Convert to fraction form
276,155,104.74/381,102,124.05 = 150,715,346.19/x - Step 3: Cross multiply
276,155,104.74x = 381,102,124.05 × 150,715,346.19 - Step 4: Simplify right side
276,155,104.74x = 57,437,938,559,940,072 - Step 5: Solve for x
x = 57,437,938,559,940,072/276,155,104.74 - Step 6: Final answer
x = 207,991,587.24
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.