Finding the Fourth Proportional to 133,302,193.51, 183,882,972.50 and 77,541,336.67
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Solution
The fourth proportional to 133,302,193.51, 183,882,972.50 and 77,541,336.67 is: 106,963,967.38
Step by Step Solution
- Step 1: Write the proportion equation
133,302,193.51 : 183,882,972.50 = 77,541,336.67 : x - Step 2: Convert to fraction form
133,302,193.51/183,882,972.50 = 77,541,336.67/x - Step 3: Cross multiply
133,302,193.51x = 183,882,972.50 × 77,541,336.67 - Step 4: Simplify right side
133,302,193.51x = 14,258,531,478,502,852 - Step 5: Solve for x
x = 14,258,531,478,502,852/133,302,193.51 - Step 6: Final answer
x = 106,963,967.38
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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.