Finding the Fourth Proportional to 88,168,075.68, 121,681,787.04 and 53,379,936.48
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Solution
The fourth proportional to 88,168,075.68, 121,681,787.04 and 53,379,936.48 is: 73,670,271.39
Step by Step Solution
- Step 1: Write the proportion equation
88,168,075.68 : 121,681,787.04 = 53,379,936.48 : x - Step 2: Convert to fraction form
88,168,075.68/121,681,787.04 = 53,379,936.48/x - Step 3: Cross multiply
88,168,075.68x = 121,681,787.04 × 53,379,936.48 - Step 4: Simplify right side
88,168,075.68x = 6,495,366,062,968,087 - Step 5: Solve for x
x = 6,495,366,062,968,087/88,168,075.68 - Step 6: Final answer
x = 73,670,271.39
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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.