Finding the Fourth Proportional to 245,595,849.48, 338,920,517.61 and 134,086,686.84
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Solution
The fourth proportional to 245,595,849.48, 338,920,517.61 and 134,086,686.84 is: 185,038,669.85
Step by Step Solution
- Step 1: Write the proportion equation
245,595,849.48 : 338,920,517.61 = 134,086,686.84 : x - Step 2: Convert to fraction form
245,595,849.48/338,920,517.61 = 134,086,686.84/x - Step 3: Cross multiply
245,595,849.48x = 338,920,517.61 × 134,086,686.84 - Step 4: Simplify right side
245,595,849.48x = 45,444,729,308,422,776 - Step 5: Solve for x
x = 45,444,729,308,422,776/245,595,849.48 - Step 6: Final answer
x = 185,038,669.85
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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.