Finding the Fourth Proportional to 190,676,374.19, 286,102,523.80 and 87,077,338.10
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Solution
The fourth proportional to 190,676,374.19, 286,102,523.80 and 87,077,338.10 is: 130,656,177.53
Step by Step Solution
- Step 1: Write the proportion equation
190,676,374.19 : 286,102,523.80 = 87,077,338.10 : x - Step 2: Convert to fraction form
190,676,374.19/286,102,523.80 = 87,077,338.10/x - Step 3: Cross multiply
190,676,374.19x = 286,102,523.80 × 87,077,338.10 - Step 4: Simplify right side
190,676,374.19x = 24,913,046,195,947,112 - Step 5: Solve for x
x = 24,913,046,195,947,112/190,676,374.19 - Step 6: Final answer
x = 130,656,177.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.