Finding the Fourth Proportional to 235,019,406.24, 324,329,719.68 and 129,184,376.58
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Solution
The fourth proportional to 235,019,406.24, 324,329,719.68 and 129,184,376.58 is: 178,276,055.21
Step by Step Solution
- Step 1: Write the proportion equation
235,019,406.24 : 324,329,719.68 = 129,184,376.58 : x - Step 2: Convert to fraction form
235,019,406.24/324,329,719.68 = 129,184,376.58/x - Step 3: Cross multiply
235,019,406.24x = 324,329,719.68 × 129,184,376.58 - Step 4: Simplify right side
235,019,406.24x = 41,898,332,643,226,960 - Step 5: Solve for x
x = 41,898,332,643,226,960/235,019,406.24 - Step 6: Final answer
x = 178,276,055.21
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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.