Finding the Fourth Proportional to 135,655,511.20, 187,246,757.28 and 107,827,599.04
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Solution
The fourth proportional to 135,655,511.20, 187,246,757.28 and 107,827,599.04 is: 148,835,591.62
Step by Step Solution
- Step 1: Write the proportion equation
135,655,511.20 : 187,246,757.28 = 107,827,599.04 : x - Step 2: Convert to fraction form
135,655,511.20/187,246,757.28 = 107,827,599.04/x - Step 3: Cross multiply
135,655,511.20x = 187,246,757.28 × 107,827,599.04 - Step 4: Simplify right side
135,655,511.20x = 20,190,368,265,528,044 - Step 5: Solve for x
x = 20,190,368,265,528,044/135,655,511.20 - Step 6: Final answer
x = 148,835,591.62
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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.