Finding the Fourth Proportional to 106,929,012.02, 147,558,089.49 and 58,035,390.26
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Solution
The fourth proportional to 106,929,012.02, 147,558,089.49 and 58,035,390.26 is: 80,086,696.28
Step by Step Solution
- Step 1: Write the proportion equation
106,929,012.02 : 147,558,089.49 = 58,035,390.26 : x - Step 2: Convert to fraction form
106,929,012.02/147,558,089.49 = 58,035,390.26/x - Step 3: Cross multiply
106,929,012.02x = 147,558,089.49 × 58,035,390.26 - Step 4: Simplify right side
106,929,012.02x = 8,563,591,309,572,155 - Step 5: Solve for x
x = 8,563,591,309,572,155/106,929,012.02 - Step 6: Final answer
x = 80,086,696.28
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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.