Finding the Fourth Proportional to 246,574,337.77, 340,268,415.73 and 136,563,688.81
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Solution
The fourth proportional to 246,574,337.77, 340,268,415.73 and 136,563,688.81 is: 188,455,580.81
Step by Step Solution
- Step 1: Write the proportion equation
246,574,337.77 : 340,268,415.73 = 136,563,688.81 : x - Step 2: Convert to fraction form
246,574,337.77/340,268,415.73 = 136,563,688.81/x - Step 3: Cross multiply
246,574,337.77x = 340,268,415.73 × 136,563,688.81 - Step 4: Simplify right side
246,574,337.77x = 46,468,310,037,623,432 - Step 5: Solve for x
x = 46,468,310,037,623,432/246,574,337.77 - Step 6: Final answer
x = 188,455,580.81
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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.