Finding the Fourth Proportional to 67,068,137.60, 100,602,206.40 and 46,660,803.20
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Solution
The fourth proportional to 67,068,137.60, 100,602,206.40 and 46,660,803.20 is: 69,991,204.80
Step by Step Solution
- Step 1: Write the proportion equation
67,068,137.60 : 100,602,206.40 = 46,660,803.20 : x - Step 2: Convert to fraction form
67,068,137.60/100,602,206.40 = 46,660,803.20/x - Step 3: Cross multiply
67,068,137.60x = 100,602,206.40 × 46,660,803.20 - Step 4: Simplify right side
67,068,137.60x = 4,694,179,754,316,181 - Step 5: Solve for x
x = 4,694,179,754,316,181/67,068,137.60 - Step 6: Final answer
x = 69,991,204.80
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1.5x scale
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.