Finding the Fourth Proportional to 58,778,719.12, 81,121,194.12 and 35,586,626.32
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Solution
The fourth proportional to 58,778,719.12, 81,121,194.12 and 35,586,626.32 is: 49,113,517.02
Step by Step Solution
- Step 1: Write the proportion equation
58,778,719.12 : 81,121,194.12 = 35,586,626.32 : x - Step 2: Convert to fraction form
58,778,719.12/81,121,194.12 = 35,586,626.32/x - Step 3: Cross multiply
58,778,719.12x = 81,121,194.12 × 35,586,626.32 - Step 4: Simplify right side
58,778,719.12x = 2,886,829,621,780,621.50 - Step 5: Solve for x
x = 2,886,829,621,780,621.50/58,778,719.12 - Step 6: Final answer
x = 49,113,517.02
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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.