Finding the Fourth Proportional to 85,145,468.70, 127,718,203.05 and 37,369,724.70
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Solution
The fourth proportional to 85,145,468.70, 127,718,203.05 and 37,369,724.70 is: 56,054,587.05
Step by Step Solution
- Step 1: Write the proportion equation
85,145,468.70 : 127,718,203.05 = 37,369,724.70 : x - Step 2: Convert to fraction form
85,145,468.70/127,718,203.05 = 37,369,724.70/x - Step 3: Cross multiply
85,145,468.70x = 127,718,203.05 × 37,369,724.70 - Step 4: Simplify right side
85,145,468.70x = 4,772,794,087,157,201 - Step 5: Solve for x
x = 4,772,794,087,157,201/85,145,468.70 - Step 6: Final answer
x = 56,054,587.05
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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.