Finding the Fourth Proportional to 258,602,406.69, 356,878,879.98 and 141,135,275.91
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Solution
The fourth proportional to 258,602,406.69, 356,878,879.98 and 141,135,275.91 is: 194,770,806.03
Step by Step Solution
- Step 1: Write the proportion equation
258,602,406.69 : 356,878,879.98 = 141,135,275.91 : x - Step 2: Convert to fraction form
258,602,406.69/356,878,879.98 = 141,135,275.91/x - Step 3: Cross multiply
258,602,406.69x = 356,878,879.98 × 141,135,275.91 - Step 4: Simplify right side
258,602,406.69x = 50,368,199,192,429,080 - Step 5: Solve for x
x = 50,368,199,192,429,080/258,602,406.69 - Step 6: Final answer
x = 194,770,806.03
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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.