Finding the Fourth Proportional to 145,382,331.07, 218,075,396.09 and 48,338,038.65
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Solution
The fourth proportional to 145,382,331.07, 218,075,396.09 and 48,338,038.65 is: 72,507,689.53
Step by Step Solution
- Step 1: Write the proportion equation
145,382,331.07 : 218,075,396.09 = 48,338,038.65 : x - Step 2: Convert to fraction form
145,382,331.07/218,075,396.09 = 48,338,038.65/x - Step 3: Cross multiply
145,382,331.07x = 218,075,396.09 × 48,338,038.65 - Step 4: Simplify right side
145,382,331.07x = 10,541,336,924,812,478 - Step 5: Solve for x
x = 10,541,336,924,812,478/145,382,331.07 - Step 6: Final answer
x = 72,507,689.53
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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.