Finding the Fourth Proportional to 70,977,589.96, 97,949,032.84 and 38,382,541.96
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Solution
The fourth proportional to 70,977,589.96, 97,949,032.84 and 38,382,541.96 is: 52,967,885.57
Step by Step Solution
- Step 1: Write the proportion equation
70,977,589.96 : 97,949,032.84 = 38,382,541.96 : x - Step 2: Convert to fraction form
70,977,589.96/97,949,032.84 = 38,382,541.96/x - Step 3: Cross multiply
70,977,589.96x = 97,949,032.84 × 38,382,541.96 - Step 4: Simplify right side
70,977,589.96x = 3,759,532,862,922,718 - Step 5: Solve for x
x = 3,759,532,862,922,718/70,977,589.96 - Step 6: Final answer
x = 52,967,885.57
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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.