Finding the Fourth Proportional to 76,875,551.10, 106,088,249.88 and 42,068,232.36
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Solution
The fourth proportional to 76,875,551.10, 106,088,249.88 and 42,068,232.36 is: 58,054,154.84
Step by Step Solution
- Step 1: Write the proportion equation
76,875,551.10 : 106,088,249.88 = 42,068,232.36 : x - Step 2: Convert to fraction form
76,875,551.10/106,088,249.88 = 42,068,232.36/x - Step 3: Cross multiply
76,875,551.10x = 106,088,249.88 × 42,068,232.36 - Step 4: Simplify right side
76,875,551.10x = 4,462,945,146,617,582 - Step 5: Solve for x
x = 4,462,945,146,617,582/76,875,551.10 - Step 6: Final answer
x = 58,054,154.84
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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.