Finding the Fourth Proportional to 216,878,096.90, 299,283,379.49 and 117,756,575.62
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Solution
The fourth proportional to 216,878,096.90, 299,283,379.49 and 117,756,575.62 is: 162,499,516.60
Step by Step Solution
- Step 1: Write the proportion equation
216,878,096.90 : 299,283,379.49 = 117,756,575.62 : x - Step 2: Convert to fraction form
216,878,096.90/299,283,379.49 = 117,756,575.62/x - Step 3: Cross multiply
216,878,096.90x = 299,283,379.49 × 117,756,575.62 - Step 4: Simplify right side
216,878,096.90x = 35,242,585,908,269,528 - Step 5: Solve for x
x = 35,242,585,908,269,528/216,878,096.90 - Step 6: Final answer
x = 162,499,516.60
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1.5x scale
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.