Finding the Fourth Proportional to 235,019,385.74, 324,329,691.36 and 129,184,356.06
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Solution
The fourth proportional to 235,019,385.74, 324,329,691.36 and 129,184,356.06 is: 178,276,026.88
Step by Step Solution
- Step 1: Write the proportion equation
235,019,385.74 : 324,329,691.36 = 129,184,356.06 : x - Step 2: Convert to fraction form
235,019,385.74/324,329,691.36 = 129,184,356.06/x - Step 3: Cross multiply
235,019,385.74x = 324,329,691.36 × 129,184,356.06 - Step 4: Simplify right side
235,019,385.74x = 41,898,322,329,480,152 - Step 5: Solve for x
x = 41,898,322,329,480,152/235,019,385.74 - Step 6: Final answer
x = 178,276,026.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.