Finding the Fourth Proportional to 129,940,305.30, 194,922,482.76 and 42,502,317.48
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Solution
The fourth proportional to 129,940,305.30, 194,922,482.76 and 42,502,317.48 is: 63,757,409.43
Step by Step Solution
- Step 1: Write the proportion equation
129,940,305.30 : 194,922,482.76 = 42,502,317.48 : x - Step 2: Convert to fraction form
129,940,305.30/194,922,482.76 = 42,502,317.48/x - Step 3: Cross multiply
129,940,305.30x = 194,922,482.76 × 42,502,317.48 - Step 4: Simplify right side
129,940,305.30x = 8,284,657,246,255,346 - Step 5: Solve for x
x = 8,284,657,246,255,346/129,940,305.30 - Step 6: Final answer
x = 63,757,409.43
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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.