Finding the Fourth Proportional to 235,470,970.08, 324,949,939.85 and 131,073,703.74
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Solution
The fourth proportional to 235,470,970.08, 324,949,939.85 and 131,073,703.74 is: 180,881,711.80
Step by Step Solution
- Step 1: Write the proportion equation
235,470,970.08 : 324,949,939.85 = 131,073,703.74 : x - Step 2: Convert to fraction form
235,470,970.08/324,949,939.85 = 131,073,703.74/x - Step 3: Cross multiply
235,470,970.08x = 324,949,939.85 × 131,073,703.74 - Step 4: Simplify right side
235,470,970.08x = 42,592,392,146,557,408 - Step 5: Solve for x
x = 42,592,392,146,557,408/235,470,970.08 - Step 6: Final answer
x = 180,881,711.80
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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.