Finding the Fourth Proportional to 130,277,039.84, 195,421,844.68 and 42,836,620.96
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Solution
The fourth proportional to 130,277,039.84, 195,421,844.68 and 42,836,620.96 is: 64,256,997.99
Step by Step Solution
- Step 1: Write the proportion equation
130,277,039.84 : 195,421,844.68 = 42,836,620.96 : x - Step 2: Convert to fraction form
130,277,039.84/195,421,844.68 = 42,836,620.96/x - Step 3: Cross multiply
130,277,039.84x = 195,421,844.68 × 42,836,620.96 - Step 4: Simplify right side
130,277,039.84x = 8,371,211,487,265,507 - Step 5: Solve for x
x = 8,371,211,487,265,507/130,277,039.84 - Step 6: Final answer
x = 64,256,997.99
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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.