Finding the Fourth Proportional to 56,102,069.80, 77,407,708.08 and 34,074,955.72
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Solution
The fourth proportional to 56,102,069.80, 77,407,708.08 and 34,074,955.72 is: 47,015,452.99
Step by Step Solution
- Step 1: Write the proportion equation
56,102,069.80 : 77,407,708.08 = 34,074,955.72 : x - Step 2: Convert to fraction form
56,102,069.80/77,407,708.08 = 34,074,955.72/x - Step 3: Cross multiply
56,102,069.80x = 77,407,708.08 × 34,074,955.72 - Step 4: Simplify right side
56,102,069.80x = 2,637,664,225,212,686 - Step 5: Solve for x
x = 2,637,664,225,212,686/56,102,069.80 - Step 6: Final answer
x = 47,015,452.99
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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.