Finding the Fourth Proportional to 239,733,146.32, 330,832,317 and 129,726,039.76
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Solution
The fourth proportional to 239,733,146.32, 330,832,317 and 129,726,039.76 is: 179,022,246.06
Step by Step Solution
- Step 1: Write the proportion equation
239,733,146.32 : 330,832,317 = 129,726,039.76 : x - Step 2: Convert to fraction form
239,733,146.32/330,832,317 = 129,726,039.76/x - Step 3: Cross multiply
239,733,146.32x = 330,832,317 × 129,726,039.76 - Step 4: Simplify right side
239,733,146.32x = 42,917,566,309,034,928 - Step 5: Solve for x
x = 42,917,566,309,034,928/239,733,146.32 - Step 6: Final answer
x = 179,022,246.06
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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.