Finding the Fourth Proportional to 83,734,545.12, 115,536,736.08 and 48,920,511.84
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Solution
The fourth proportional to 83,734,545.12, 115,536,736.08 and 48,920,511.84 is: 67,500,411.66
Step by Step Solution
- Step 1: Write the proportion equation
83,734,545.12 : 115,536,736.08 = 48,920,511.84 : x - Step 2: Convert to fraction form
83,734,545.12/115,536,736.08 = 48,920,511.84/x - Step 3: Cross multiply
83,734,545.12x = 115,536,736.08 × 48,920,511.84 - Step 4: Simplify right side
83,734,545.12x = 5,652,116,265,356,596 - Step 5: Solve for x
x = 5,652,116,265,356,596/83,734,545.12 - Step 6: Final answer
x = 67,500,411.66
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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.