Finding the Fourth Proportional to 91,030,541.42, 125,579,543.46 and 59,660,244.20
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Solution
The fourth proportional to 91,030,541.42, 125,579,543.46 and 59,660,244.20 is: 82,303,215.08
Step by Step Solution
- Step 1: Write the proportion equation
91,030,541.42 : 125,579,543.46 = 59,660,244.20 : x - Step 2: Convert to fraction form
91,030,541.42/125,579,543.46 = 59,660,244.20/x - Step 3: Cross multiply
91,030,541.42x = 125,579,543.46 × 59,660,244.20 - Step 4: Simplify right side
91,030,541.42x = 7,492,106,229,348,113 - Step 5: Solve for x
x = 7,492,106,229,348,113/91,030,541.42 - Step 6: Final answer
x = 82,303,215.08
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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.