Finding the Fourth Proportional to 185,433,717.78, 278,143,713 and 74,817,226.08
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Solution
The fourth proportional to 185,433,717.78, 278,143,713 and 74,817,226.08 is: 112,223,069.82
Step by Step Solution
- Step 1: Write the proportion equation
185,433,717.78 : 278,143,713 = 74,817,226.08 : x - Step 2: Convert to fraction form
185,433,717.78/278,143,713 = 74,817,226.08/x - Step 3: Cross multiply
185,433,717.78x = 278,143,713 × 74,817,226.08 - Step 4: Simplify right side
185,433,717.78x = 20,809,941,058,251,636 - Step 5: Solve for x
x = 20,809,941,058,251,636/185,433,717.78 - Step 6: Final answer
x = 112,223,069.82
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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.