Finding the Fourth Proportional to 86,938,276.80, 130,407,415.20 and 46,627,492.80
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Solution
The fourth proportional to 86,938,276.80, 130,407,415.20 and 46,627,492.80 is: 69,941,239.20
Step by Step Solution
- Step 1: Write the proportion equation
86,938,276.80 : 130,407,415.20 = 46,627,492.80 : x - Step 2: Convert to fraction form
86,938,276.80/130,407,415.20 = 46,627,492.80/x - Step 3: Cross multiply
86,938,276.80x = 130,407,415.20 × 46,627,492.80 - Step 4: Simplify right side
86,938,276.80x = 6,080,570,813,304,610 - Step 5: Solve for x
x = 6,080,570,813,304,610/86,938,276.80 - Step 6: Final answer
x = 69,941,239.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.