Finding the Fourth Proportional to 221,763,950.32, 306,072,666.81 and 133,658,062.99
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Solution
The fourth proportional to 221,763,950.32, 306,072,666.81 and 133,658,062.99 is: 184,471,280.03
Step by Step Solution
- Step 1: Write the proportion equation
221,763,950.32 : 306,072,666.81 = 133,658,062.99 : x - Step 2: Convert to fraction form
221,763,950.32/306,072,666.81 = 133,658,062.99/x - Step 3: Cross multiply
221,763,950.32x = 306,072,666.81 × 133,658,062.99 - Step 4: Simplify right side
221,763,950.32x = 40,909,079,780,008,264 - Step 5: Solve for x
x = 40,909,079,780,008,264/221,763,950.32 - Step 6: Final answer
x = 184,471,280.03
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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.