Finding the Fourth Proportional to 258,979,403.22, 357,396,385.95 and 141,512,341.79
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Solution
The fourth proportional to 258,979,403.22, 357,396,385.95 and 141,512,341.79 is: 195,289,659.69
Step by Step Solution
- Step 1: Write the proportion equation
258,979,403.22 : 357,396,385.95 = 141,512,341.79 : x - Step 2: Convert to fraction form
258,979,403.22/357,396,385.95 = 141,512,341.79/x - Step 3: Cross multiply
258,979,403.22x = 357,396,385.95 × 141,512,341.79 - Step 4: Simplify right side
258,979,403.22x = 50,575,999,521,280,168 - Step 5: Solve for x
x = 50,575,999,521,280,168/258,979,403.22 - Step 6: Final answer
x = 195,289,659.69
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.