Finding the Fourth Proportional to 257,732,191.36, 386,634,596.02 and 82,796,564.10
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Solution
The fourth proportional to 257,732,191.36, 386,634,596.02 and 82,796,564.10 is: 124,206,510.43
Step by Step Solution
- Step 1: Write the proportion equation
257,732,191.36 : 386,634,596.02 = 82,796,564.10 : x - Step 2: Convert to fraction form
257,732,191.36/386,634,596.02 = 82,796,564.10/x - Step 3: Cross multiply
257,732,191.36x = 386,634,596.02 × 82,796,564.10 - Step 4: Simplify right side
257,732,191.36x = 32,012,016,113,891,196 - Step 5: Solve for x
x = 32,012,016,113,891,196/257,732,191.36 - Step 6: Final answer
x = 124,206,510.43
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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.