Finding the Fourth Proportional to 142,316,285.68, 195,989,148.48 and 133,448,195.44
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Solution
The fourth proportional to 142,316,285.68, 195,989,148.48 and 133,448,195.44 is: 183,776,565.45
Step by Step Solution
- Step 1: Write the proportion equation
142,316,285.68 : 195,989,148.48 = 133,448,195.44 : x - Step 2: Convert to fraction form
142,316,285.68/195,989,148.48 = 133,448,195.44/x - Step 3: Cross multiply
142,316,285.68x = 195,989,148.48 × 133,448,195.44 - Step 4: Simplify right side
142,316,285.68x = 26,154,398,190,478,216 - Step 5: Solve for x
x = 26,154,398,190,478,216/142,316,285.68 - Step 6: Final answer
x = 183,776,565.45
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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.