Finding the Fourth Proportional to 60,355,228.23, 90,532,871.51 and 19,965,712.23
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Solution
The fourth proportional to 60,355,228.23, 90,532,871.51 and 19,965,712.23 is: 29,948,577.99
Step by Step Solution
- Step 1: Write the proportion equation
60,355,228.23 : 90,532,871.51 = 19,965,712.23 : x - Step 2: Convert to fraction form
60,355,228.23/90,532,871.51 = 19,965,712.23/x - Step 3: Cross multiply
60,355,228.23x = 90,532,871.51 × 19,965,712.23 - Step 4: Simplify right side
60,355,228.23x = 1,807,553,259,824,397 - Step 5: Solve for x
x = 1,807,553,259,824,397/60,355,228.23 - Step 6: Final answer
x = 29,948,577.99
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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.