Finding the Fourth Proportional to 129,344,992.60, 193,734,053.70 and 114,984,275.80
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Solution
The fourth proportional to 129,344,992.60, 193,734,053.70 and 114,984,275.80 is: 172,224,447.31
Step by Step Solution
- Step 1: Write the proportion equation
129,344,992.60 : 193,734,053.70 = 114,984,275.80 : x - Step 2: Convert to fraction form
129,344,992.60/193,734,053.70 = 114,984,275.80/x - Step 3: Cross multiply
129,344,992.60x = 193,734,053.70 × 114,984,275.80 - Step 4: Simplify right side
129,344,992.60x = 22,276,369,862,492,808 - Step 5: Solve for x
x = 22,276,369,862,492,808/129,344,992.60 - Step 6: Final answer
x = 172,224,447.31
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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.