Finding the Fourth Proportional to 66,157,525.10, 91,316,630.40 and 44,130,972.08
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Solution
The fourth proportional to 66,157,525.10, 91,316,630.40 and 44,130,972.08 is: 60,913,579.53
Step by Step Solution
- Step 1: Write the proportion equation
66,157,525.10 : 91,316,630.40 = 44,130,972.08 : x - Step 2: Convert to fraction form
66,157,525.10/91,316,630.40 = 44,130,972.08/x - Step 3: Cross multiply
66,157,525.10x = 91,316,630.40 × 44,130,972.08 - Step 4: Simplify right side
66,157,525.10x = 4,029,891,666,622,079.50 - Step 5: Solve for x
x = 4,029,891,666,622,079.50/66,157,525.10 - Step 6: Final answer
x = 60,913,579.53
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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.