Finding the Fourth Proportional to 118,350,888.07, 163,310,080.74 and 65,420,445.68
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Solution
The fourth proportional to 118,350,888.07, 163,310,080.74 and 65,420,445.68 is: 90,272,396.26
Step by Step Solution
- Step 1: Write the proportion equation
118,350,888.07 : 163,310,080.74 = 65,420,445.68 : x - Step 2: Convert to fraction form
118,350,888.07/163,310,080.74 = 65,420,445.68/x - Step 3: Cross multiply
118,350,888.07x = 163,310,080.74 × 65,420,445.68 - Step 4: Simplify right side
118,350,888.07x = 10,683,818,266,047,584 - Step 5: Solve for x
x = 10,683,818,266,047,584/118,350,888.07 - Step 6: Final answer
x = 90,272,396.26
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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.