Finding the Fourth Proportional to 215,402,587.92, 322,990,507.80 and 147,264,765.84
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Solution
The fourth proportional to 215,402,587.92, 322,990,507.80 and 147,264,765.84 is: 220,819,638.05
Step by Step Solution
- Step 1: Write the proportion equation
215,402,587.92 : 322,990,507.80 = 147,264,765.84 : x - Step 2: Convert to fraction form
215,402,587.92/322,990,507.80 = 147,264,765.84/x - Step 3: Cross multiply
215,402,587.92x = 322,990,507.80 × 147,264,765.84 - Step 4: Simplify right side
215,402,587.92x = 47,565,121,499,709,696 - Step 5: Solve for x
x = 47,565,121,499,709,696/215,402,587.92 - Step 6: Final answer
x = 220,819,638.05
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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.