Finding the Fourth Proportional to 48,863,643.57, 73,279,189.08 and 19,709,953.07
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Solution
The fourth proportional to 48,863,643.57, 73,279,189.08 and 19,709,953.07 is: 29,558,364.29
Step by Step Solution
- Step 1: Write the proportion equation
48,863,643.57 : 73,279,189.08 = 19,709,953.07 : x - Step 2: Convert to fraction form
48,863,643.57/73,279,189.08 = 19,709,953.07/x - Step 3: Cross multiply
48,863,643.57x = 73,279,189.08 × 19,709,953.07 - Step 4: Simplify right side
48,863,643.57x = 1,444,329,377,408,060.50 - Step 5: Solve for x
x = 1,444,329,377,408,060.50/48,863,643.57 - Step 6: Final answer
x = 29,558,364.29
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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.