Finding the Fourth Proportional to 124,438,378.95, 186,666,536.49 and 47,761,407.17
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Solution
The fourth proportional to 124,438,378.95, 186,666,536.49 and 47,761,407.17 is: 71,645,552.84
Step by Step Solution
- Step 1: Write the proportion equation
124,438,378.95 : 186,666,536.49 = 47,761,407.17 : x - Step 2: Convert to fraction form
124,438,378.95/186,666,536.49 = 47,761,407.17/x - Step 3: Cross multiply
124,438,378.95x = 186,666,536.49 × 47,761,407.17 - Step 4: Simplify right side
124,438,378.95x = 8,915,456,454,168,533 - Step 5: Solve for x
x = 8,915,456,454,168,533/124,438,378.95 - Step 6: Final answer
x = 71,645,552.84
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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.