Finding the Fourth Proportional to 76,857,998.04, 106,053,562.17 and 45,911,598.12
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Solution
The fourth proportional to 76,857,998.04, 106,053,562.17 and 45,911,598.12 is: 63,351,748.03
Step by Step Solution
- Step 1: Write the proportion equation
76,857,998.04 : 106,053,562.17 = 45,911,598.12 : x - Step 2: Convert to fraction form
76,857,998.04/106,053,562.17 = 45,911,598.12/x - Step 3: Cross multiply
76,857,998.04x = 106,053,562.17 × 45,911,598.12 - Step 4: Simplify right side
76,857,998.04x = 4,869,088,525,543,475 - Step 5: Solve for x
x = 4,869,088,525,543,475/76,857,998.04 - Step 6: Final answer
x = 63,351,748.03
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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.