Finding the Fourth Proportional to 56,087,794.90, 83,959,292.35 and 47,813,489.20
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Solution
The fourth proportional to 56,087,794.90, 83,959,292.35 and 47,813,489.20 is: 71,573,266.97
Step by Step Solution
- Step 1: Write the proportion equation
56,087,794.90 : 83,959,292.35 = 47,813,489.20 : x - Step 2: Convert to fraction form
56,087,794.90/83,959,292.35 = 47,813,489.20/x - Step 3: Cross multiply
56,087,794.90x = 83,959,292.35 × 47,813,489.20 - Step 4: Simplify right side
56,087,794.90x = 4,014,386,718,016,367.50 - Step 5: Solve for x
x = 4,014,386,718,016,367.50/56,087,794.90 - Step 6: Final answer
x = 71,573,266.97
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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.