Finding the Fourth Proportional to 141,422,541.33, 212,071,957.49 and 71,349,646.62
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Solution
The fourth proportional to 141,422,541.33, 212,071,957.49 and 71,349,646.62 is: 106,993,263.47
Step by Step Solution
- Step 1: Write the proportion equation
141,422,541.33 : 212,071,957.49 = 71,349,646.62 : x - Step 2: Convert to fraction form
141,422,541.33/212,071,957.49 = 71,349,646.62/x - Step 3: Cross multiply
141,422,541.33x = 212,071,957.49 × 71,349,646.62 - Step 4: Simplify right side
141,422,541.33x = 15,131,259,224,566,416 - Step 5: Solve for x
x = 15,131,259,224,566,416/141,422,541.33 - Step 6: Final answer
x = 106,993,263.47
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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.