Finding the Fourth Proportional to 247,102,511.51, 341,000,530.16 and 135,595,218.03
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Solution
The fourth proportional to 247,102,511.51, 341,000,530.16 and 135,595,218.03 is: 187,120,887.41
Step by Step Solution
- Step 1: Write the proportion equation
247,102,511.51 : 341,000,530.16 = 135,595,218.03 : x - Step 2: Convert to fraction form
247,102,511.51/341,000,530.16 = 135,595,218.03/x - Step 3: Cross multiply
247,102,511.51x = 341,000,530.16 × 135,595,218.03 - Step 4: Simplify right side
247,102,511.51x = 46,238,041,234,712,808 - Step 5: Solve for x
x = 46,238,041,234,712,808/247,102,511.51 - Step 6: Final answer
x = 187,120,887.41
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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.