Finding the Fourth Proportional to 114,789,549.99, 158,408,066.16 and 64,553,753.68
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Solution
The fourth proportional to 114,789,549.99, 158,408,066.16 and 64,553,753.68 is: 89,083,329.32
Step by Step Solution
- Step 1: Write the proportion equation
114,789,549.99 : 158,408,066.16 = 64,553,753.68 : x - Step 2: Convert to fraction form
114,789,549.99/158,408,066.16 = 64,553,753.68/x - Step 3: Cross multiply
114,789,549.99x = 158,408,066.16 × 64,553,753.68 - Step 4: Simplify right side
114,789,549.99x = 10,225,835,283,817,784 - Step 5: Solve for x
x = 10,225,835,283,817,784/114,789,549.99 - Step 6: Final answer
x = 89,083,329.32
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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.